Home / 10,470.17-15,705.73-3,355.13

Finding the Fourth Proportional to 10,470.17, 15,705.73 and 3,355.13

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Solution

The fourth proportional to 10,470.17, 15,705.73 and 3,355.13 is: 5,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.17 : 15,705.73 = 3,355.13 : x
  2. Step 2: Convert to fraction form
    10,470.17/15,705.73 = 3,355.13/x
  3. Step 3: Cross multiply
    10,470.17x = 15,705.73 × 3,355.13
  4. Step 4: Simplify right side
    10,470.17x = 52,694,809.35
  5. Step 5: Solve for x
    x = 52,694,809.35/10,470.17
  6. Step 6: Final answer
    x = 5,032.85

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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.