Home / 15,227.24-21,013.52-8,512.82

Finding the Fourth Proportional to 15,227.24, 21,013.52 and 8,512.82

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Solution

The fourth proportional to 15,227.24, 21,013.52 and 8,512.82 is: 11,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,227.24 : 21,013.52 = 8,512.82 : x
  2. Step 2: Convert to fraction form
    15,227.24/21,013.52 = 8,512.82/x
  3. Step 3: Cross multiply
    15,227.24x = 21,013.52 × 8,512.82
  4. Step 4: Simplify right side
    15,227.24x = 178,884,244.50
  5. Step 5: Solve for x
    x = 178,884,244.50/15,227.24
  6. Step 6: Final answer
    x = 11,747.65

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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.