Home / 15,924.40-23,886.60-12,245.20

Finding the Fourth Proportional to 15,924.40, 23,886.60 and 12,245.20

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Solution

The fourth proportional to 15,924.40, 23,886.60 and 12,245.20 is: 18,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.40 : 23,886.60 = 12,245.20 : x
  2. Step 2: Convert to fraction form
    15,924.40/23,886.60 = 12,245.20/x
  3. Step 3: Cross multiply
    15,924.40x = 23,886.60 × 12,245.20
  4. Step 4: Simplify right side
    15,924.40x = 292,496,194.32
  5. Step 5: Solve for x
    x = 292,496,194.32/15,924.40
  6. Step 6: Final answer
    x = 18,367.80

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Similar ratio
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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.