Home / 20,656.26-30,983.85-7,508.88

Finding the Fourth Proportional to 20,656.26, 30,983.85 and 7,508.88

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Solution

The fourth proportional to 20,656.26, 30,983.85 and 7,508.88 is: 11,263.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656.26 : 30,983.85 = 7,508.88 : x
  2. Step 2: Convert to fraction form
    20,656.26/30,983.85 = 7,508.88/x
  3. Step 3: Cross multiply
    20,656.26x = 30,983.85 × 7,508.88
  4. Step 4: Simplify right side
    20,656.26x = 232,654,011.59
  5. Step 5: Solve for x
    x = 232,654,011.59/20,656.26
  6. Step 6: Final answer
    x = 11,263.12

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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.