Home / 12,344.20-17,034.18-7,627.72

Finding the Fourth Proportional to 12,344.20, 17,034.18 and 7,627.72

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Solution

The fourth proportional to 12,344.20, 17,034.18 and 7,627.72 is: 10,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.20 : 17,034.18 = 7,627.72 : x
  2. Step 2: Convert to fraction form
    12,344.20/17,034.18 = 7,627.72/x
  3. Step 3: Cross multiply
    12,344.20x = 17,034.18 × 7,627.72
  4. Step 4: Simplify right side
    12,344.20x = 129,931,955.47
  5. Step 5: Solve for x
    x = 129,931,955.47/12,344.20
  6. Step 6: Final answer
    x = 10,525.75

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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.