Home / 12,372.32-17,074.50-7,339.52

Finding the Fourth Proportional to 12,372.32, 17,074.50 and 7,339.52

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Solution

The fourth proportional to 12,372.32, 17,074.50 and 7,339.52 is: 10,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.32 : 17,074.50 = 7,339.52 : x
  2. Step 2: Convert to fraction form
    12,372.32/17,074.50 = 7,339.52/x
  3. Step 3: Cross multiply
    12,372.32x = 17,074.50 × 7,339.52
  4. Step 4: Simplify right side
    12,372.32x = 125,318,634.24
  5. Step 5: Solve for x
    x = 125,318,634.24/12,372.32
  6. Step 6: Final answer
    x = 10,128.95

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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.