Home / 15,536.55-21,432.02-9,247.71

Finding the Fourth Proportional to 15,536.55, 21,432.02 and 9,247.71

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Solution

The fourth proportional to 15,536.55, 21,432.02 and 9,247.71 is: 12,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.55 : 21,432.02 = 9,247.71 : x
  2. Step 2: Convert to fraction form
    15,536.55/21,432.02 = 9,247.71/x
  3. Step 3: Cross multiply
    15,536.55x = 21,432.02 × 9,247.71
  4. Step 4: Simplify right side
    15,536.55x = 198,197,059.44
  5. Step 5: Solve for x
    x = 198,197,059.44/15,536.55
  6. Step 6: Final answer
    x = 12,756.83

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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.