Home / 10,812.31-16,225.75-3,792.39

Finding the Fourth Proportional to 10,812.31, 16,225.75 and 3,792.39

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Solution

The fourth proportional to 10,812.31, 16,225.75 and 3,792.39 is: 5,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.31 : 16,225.75 = 3,792.39 : x
  2. Step 2: Convert to fraction form
    10,812.31/16,225.75 = 3,792.39/x
  3. Step 3: Cross multiply
    10,812.31x = 16,225.75 × 3,792.39
  4. Step 4: Simplify right side
    10,812.31x = 61,534,403.13
  5. Step 5: Solve for x
    x = 61,534,403.13/10,812.31
  6. Step 6: Final answer
    x = 5,691.14

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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.