Home / 15,306.27-21,121.02-8,592.63

Finding the Fourth Proportional to 15,306.27, 21,121.02 and 8,592.63

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Solution

The fourth proportional to 15,306.27, 21,121.02 and 8,592.63 is: 11,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306.27 : 21,121.02 = 8,592.63 : x
  2. Step 2: Convert to fraction form
    15,306.27/21,121.02 = 8,592.63/x
  3. Step 3: Cross multiply
    15,306.27x = 21,121.02 × 8,592.63
  4. Step 4: Simplify right side
    15,306.27x = 181,485,110.08
  5. Step 5: Solve for x
    x = 181,485,110.08/15,306.27
  6. Step 6: Final answer
    x = 11,856.92

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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.