Home / 11,230.70-15,503.47-8,002.61

Finding the Fourth Proportional to 11,230.70, 15,503.47 and 8,002.61

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Solution

The fourth proportional to 11,230.70, 15,503.47 and 8,002.61 is: 11,047.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.70 : 15,503.47 = 8,002.61 : x
  2. Step 2: Convert to fraction form
    11,230.70/15,503.47 = 8,002.61/x
  3. Step 3: Cross multiply
    11,230.70x = 15,503.47 × 8,002.61
  4. Step 4: Simplify right side
    11,230.70x = 124,068,126.53
  5. Step 5: Solve for x
    x = 124,068,126.53/11,230.70
  6. Step 6: Final answer
    x = 11,047.23

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.