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Finding the Fourth Proportional to 11,253.49, 16,810.07 and 8,337.49

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Solution

The fourth proportional to 11,253.49, 16,810.07 and 8,337.49 is: 12,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.49 : 16,810.07 = 8,337.49 : x
  2. Step 2: Convert to fraction form
    11,253.49/16,810.07 = 8,337.49/x
  3. Step 3: Cross multiply
    11,253.49x = 16,810.07 × 8,337.49
  4. Step 4: Simplify right side
    11,253.49x = 140,153,790.52
  5. Step 5: Solve for x
    x = 140,153,790.52/11,253.49
  6. Step 6: Final answer
    x = 12,454.25

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.