Home / 12,475.24-17,214.66-7,755.88

Finding the Fourth Proportional to 12,475.24, 17,214.66 and 7,755.88

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Solution

The fourth proportional to 12,475.24, 17,214.66 and 7,755.88 is: 10,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.24 : 17,214.66 = 7,755.88 : x
  2. Step 2: Convert to fraction form
    12,475.24/17,214.66 = 7,755.88/x
  3. Step 3: Cross multiply
    12,475.24x = 17,214.66 × 7,755.88
  4. Step 4: Simplify right side
    12,475.24x = 133,514,837.20
  5. Step 5: Solve for x
    x = 133,514,837.20/12,475.24
  6. Step 6: Final answer
    x = 10,702.39

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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.