Home / 15,752.61-23,644.31-12,280.41

Finding the Fourth Proportional to 15,752.61, 23,644.31 and 12,280.41

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Solution

The fourth proportional to 15,752.61, 23,644.31 and 12,280.41 is: 18,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,752.61 : 23,644.31 = 12,280.41 : x
  2. Step 2: Convert to fraction form
    15,752.61/23,644.31 = 12,280.41/x
  3. Step 3: Cross multiply
    15,752.61x = 23,644.31 × 12,280.41
  4. Step 4: Simplify right side
    15,752.61x = 290,361,759.57
  5. Step 5: Solve for x
    x = 290,361,759.57/15,752.61
  6. Step 6: Final answer
    x = 18,432.61

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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.