Home / 18,016.38-24,865.65-11,307.60

Finding the Fourth Proportional to 18,016.38, 24,865.65 and 11,307.60

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Solution

The fourth proportional to 18,016.38, 24,865.65 and 11,307.60 is: 15,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.38 : 24,865.65 = 11,307.60 : x
  2. Step 2: Convert to fraction form
    18,016.38/24,865.65 = 11,307.60/x
  3. Step 3: Cross multiply
    18,016.38x = 24,865.65 × 11,307.60
  4. Step 4: Simplify right side
    18,016.38x = 281,170,823.94
  5. Step 5: Solve for x
    x = 281,170,823.94/18,016.38
  6. Step 6: Final answer
    x = 15,606.40

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Similar ratio
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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.