Home / 10,652.11-15,967.36-5,097.31

Finding the Fourth Proportional to 10,652.11, 15,967.36 and 5,097.31

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Solution

The fourth proportional to 10,652.11, 15,967.36 and 5,097.31 is: 7,640.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.11 : 15,967.36 = 5,097.31 : x
  2. Step 2: Convert to fraction form
    10,652.11/15,967.36 = 5,097.31/x
  3. Step 3: Cross multiply
    10,652.11x = 15,967.36 × 5,097.31
  4. Step 4: Simplify right side
    10,652.11x = 81,390,583.80
  5. Step 5: Solve for x
    x = 81,390,583.80/10,652.11
  6. Step 6: Final answer
    x = 7,640.79

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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.