Home / 12,519.52-17,278.14-6,930.52

Finding the Fourth Proportional to 12,519.52, 17,278.14 and 6,930.52

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Solution

The fourth proportional to 12,519.52, 17,278.14 and 6,930.52 is: 9,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.52 : 17,278.14 = 6,930.52 : x
  2. Step 2: Convert to fraction form
    12,519.52/17,278.14 = 6,930.52/x
  3. Step 3: Cross multiply
    12,519.52x = 17,278.14 × 6,930.52
  4. Step 4: Simplify right side
    12,519.52x = 119,746,494.83
  5. Step 5: Solve for x
    x = 119,746,494.83/12,519.52
  6. Step 6: Final answer
    x = 9,564.78

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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.