Home / 10,306.36-15,459.90-3,731.32

Finding the Fourth Proportional to 10,306.36, 15,459.90 and 3,731.32

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Solution

The fourth proportional to 10,306.36, 15,459.90 and 3,731.32 is: 5,597.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.36 : 15,459.90 = 3,731.32 : x
  2. Step 2: Convert to fraction form
    10,306.36/15,459.90 = 3,731.32/x
  3. Step 3: Cross multiply
    10,306.36x = 15,459.90 × 3,731.32
  4. Step 4: Simplify right side
    10,306.36x = 57,685,834.07
  5. Step 5: Solve for x
    x = 57,685,834.07/10,306.36
  6. Step 6: Final answer
    x = 5,597.11

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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.