Home / 15,180.40-22,770.60-9,615.70

Finding the Fourth Proportional to 15,180.40, 22,770.60 and 9,615.70

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Solution

The fourth proportional to 15,180.40, 22,770.60 and 9,615.70 is: 14,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180.40 : 22,770.60 = 9,615.70 : x
  2. Step 2: Convert to fraction form
    15,180.40/22,770.60 = 9,615.70/x
  3. Step 3: Cross multiply
    15,180.40x = 22,770.60 × 9,615.70
  4. Step 4: Simplify right side
    15,180.40x = 218,955,258.42
  5. Step 5: Solve for x
    x = 218,955,258.42/15,180.40
  6. Step 6: Final answer
    x = 14,423.55

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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.