Home / 12,538.68-17,307.19-7,236.96

Finding the Fourth Proportional to 12,538.68, 17,307.19 and 7,236.96

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Solution

The fourth proportional to 12,538.68, 17,307.19 and 7,236.96 is: 9,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538.68 : 17,307.19 = 7,236.96 : x
  2. Step 2: Convert to fraction form
    12,538.68/17,307.19 = 7,236.96/x
  3. Step 3: Cross multiply
    12,538.68x = 17,307.19 × 7,236.96
  4. Step 4: Simplify right side
    12,538.68x = 125,251,441.74
  5. Step 5: Solve for x
    x = 125,251,441.74/12,538.68
  6. Step 6: Final answer
    x = 9,989.20

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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.