Home / 15,432.82-23,149.12-4,339.44

Finding the Fourth Proportional to 15,432.82, 23,149.12 and 4,339.44

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Solution

The fourth proportional to 15,432.82, 23,149.12 and 4,339.44 is: 6,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.82 : 23,149.12 = 4,339.44 : x
  2. Step 2: Convert to fraction form
    15,432.82/23,149.12 = 4,339.44/x
  3. Step 3: Cross multiply
    15,432.82x = 23,149.12 × 4,339.44
  4. Step 4: Simplify right side
    15,432.82x = 100,454,217.29
  5. Step 5: Solve for x
    x = 100,454,217.29/15,432.82
  6. Step 6: Final answer
    x = 6,509.13

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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.