Home / 15,658.56-23,495.45-7,761.78

Finding the Fourth Proportional to 15,658.56, 23,495.45 and 7,761.78

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Solution

The fourth proportional to 15,658.56, 23,495.45 and 7,761.78 is: 11,646.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.56 : 23,495.45 = 7,761.78 : x
  2. Step 2: Convert to fraction form
    15,658.56/23,495.45 = 7,761.78/x
  3. Step 3: Cross multiply
    15,658.56x = 23,495.45 × 7,761.78
  4. Step 4: Simplify right side
    15,658.56x = 182,366,475.09
  5. Step 5: Solve for x
    x = 182,366,475.09/15,658.56
  6. Step 6: Final answer
    x = 11,646.44

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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.