Home / 14,102.30-21,153.45-4,243.10

Finding the Fourth Proportional to 14,102.30, 21,153.45 and 4,243.10

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Solution

The fourth proportional to 14,102.30, 21,153.45 and 4,243.10 is: 6,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.30 : 21,153.45 = 4,243.10 : x
  2. Step 2: Convert to fraction form
    14,102.30/21,153.45 = 4,243.10/x
  3. Step 3: Cross multiply
    14,102.30x = 21,153.45 × 4,243.10
  4. Step 4: Simplify right side
    14,102.30x = 89,756,203.70
  5. Step 5: Solve for x
    x = 89,756,203.70/14,102.30
  6. Step 6: Final answer
    x = 6,364.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.