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Finding the Fourth Proportional to 10,802.73, 14,909.13 and 6,087.90

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Solution

The fourth proportional to 10,802.73, 14,909.13 and 6,087.90 is: 8,402.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.73 : 14,909.13 = 6,087.90 : x
  2. Step 2: Convert to fraction form
    10,802.73/14,909.13 = 6,087.90/x
  3. Step 3: Cross multiply
    10,802.73x = 14,909.13 × 6,087.90
  4. Step 4: Simplify right side
    10,802.73x = 90,765,292.53
  5. Step 5: Solve for x
    x = 90,765,292.53/10,802.73
  6. Step 6: Final answer
    x = 8,402.07

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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.