Home / 10,614.32-15,921.64-4,040.87

Finding the Fourth Proportional to 10,614.32, 15,921.64 and 4,040.87

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Solution

The fourth proportional to 10,614.32, 15,921.64 and 4,040.87 is: 6,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,614.32 : 15,921.64 = 4,040.87 : x
  2. Step 2: Convert to fraction form
    10,614.32/15,921.64 = 4,040.87/x
  3. Step 3: Cross multiply
    10,614.32x = 15,921.64 × 4,040.87
  4. Step 4: Simplify right side
    10,614.32x = 64,337,281.06
  5. Step 5: Solve for x
    x = 64,337,281.06/10,614.32
  6. Step 6: Final answer
    x = 6,061.36

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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.