Home / 15,999.54-22,085.46-12,587.73

Finding the Fourth Proportional to 15,999.54, 22,085.46 and 12,587.73

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Solution

The fourth proportional to 15,999.54, 22,085.46 and 12,587.73 is: 17,375.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.54 : 22,085.46 = 12,587.73 : x
  2. Step 2: Convert to fraction form
    15,999.54/22,085.46 = 12,587.73/x
  3. Step 3: Cross multiply
    15,999.54x = 22,085.46 × 12,587.73
  4. Step 4: Simplify right side
    15,999.54x = 278,005,807.41
  5. Step 5: Solve for x
    x = 278,005,807.41/15,999.54
  6. Step 6: Final answer
    x = 17,375.86

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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.