Home / 10,397.28-15,589.20-6,238.56

Finding the Fourth Proportional to 10,397.28, 15,589.20 and 6,238.56

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Solution

The fourth proportional to 10,397.28, 15,589.20 and 6,238.56 is: 9,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.28 : 15,589.20 = 6,238.56 : x
  2. Step 2: Convert to fraction form
    10,397.28/15,589.20 = 6,238.56/x
  3. Step 3: Cross multiply
    10,397.28x = 15,589.20 × 6,238.56
  4. Step 4: Simplify right side
    10,397.28x = 97,254,159.55
  5. Step 5: Solve for x
    x = 97,254,159.55/10,397.28
  6. Step 6: Final answer
    x = 9,353.81

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1.5x scale

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.