Home / 14,275.52-21,437.78-8,761.24

Finding the Fourth Proportional to 14,275.52, 21,437.78 and 8,761.24

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Solution

The fourth proportional to 14,275.52, 21,437.78 and 8,761.24 is: 13,156.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.52 : 21,437.78 = 8,761.24 : x
  2. Step 2: Convert to fraction form
    14,275.52/21,437.78 = 8,761.24/x
  3. Step 3: Cross multiply
    14,275.52x = 21,437.78 × 8,761.24
  4. Step 4: Simplify right side
    14,275.52x = 187,821,438.25
  5. Step 5: Solve for x
    x = 187,821,438.25/14,275.52
  6. Step 6: Final answer
    x = 13,156.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.