Home / 15,432.78-23,149.18-4,340.60

Finding the Fourth Proportional to 15,432.78, 23,149.18 and 4,340.60

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Solution

The fourth proportional to 15,432.78, 23,149.18 and 4,340.60 is: 6,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,432.78 : 23,149.18 = 4,340.60 : x
  2. Step 2: Convert to fraction form
    15,432.78/23,149.18 = 4,340.60/x
  3. Step 3: Cross multiply
    15,432.78x = 23,149.18 × 4,340.60
  4. Step 4: Simplify right side
    15,432.78x = 100,481,330.71
  5. Step 5: Solve for x
    x = 100,481,330.71/15,432.78
  6. Step 6: Final answer
    x = 6,510.90

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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.