Home / 10,913.20-15,060.24-6,197.48

Finding the Fourth Proportional to 10,913.20, 15,060.24 and 6,197.48

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Solution

The fourth proportional to 10,913.20, 15,060.24 and 6,197.48 is: 8,552.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.20 : 15,060.24 = 6,197.48 : x
  2. Step 2: Convert to fraction form
    10,913.20/15,060.24 = 6,197.48/x
  3. Step 3: Cross multiply
    10,913.20x = 15,060.24 × 6,197.48
  4. Step 4: Simplify right side
    10,913.20x = 93,335,505.21
  5. Step 5: Solve for x
    x = 93,335,505.21/10,913.20
  6. Step 6: Final answer
    x = 8,552.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.