Home / 10,172.48-15,248.01-3,930.80

Finding the Fourth Proportional to 10,172.48, 15,248.01 and 3,930.80

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Solution

The fourth proportional to 10,172.48, 15,248.01 and 3,930.80 is: 5,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.48 : 15,248.01 = 3,930.80 : x
  2. Step 2: Convert to fraction form
    10,172.48/15,248.01 = 3,930.80/x
  3. Step 3: Cross multiply
    10,172.48x = 15,248.01 × 3,930.80
  4. Step 4: Simplify right side
    10,172.48x = 59,936,877.71
  5. Step 5: Solve for x
    x = 59,936,877.71/10,172.48
  6. Step 6: Final answer
    x = 5,892.06

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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.