Home / 15,337.28-21,163.52-8,622.08

Finding the Fourth Proportional to 15,337.28, 21,163.52 and 8,622.08

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Solution

The fourth proportional to 15,337.28, 21,163.52 and 8,622.08 is: 11,897.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,337.28 : 21,163.52 = 8,622.08 : x
  2. Step 2: Convert to fraction form
    15,337.28/21,163.52 = 8,622.08/x
  3. Step 3: Cross multiply
    15,337.28x = 21,163.52 × 8,622.08
  4. Step 4: Simplify right side
    15,337.28x = 182,473,562.52
  5. Step 5: Solve for x
    x = 182,473,562.52/15,337.28
  6. Step 6: Final answer
    x = 11,897.39

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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.