Home / 18,065.27-24,938.60-13,590.72

Finding the Fourth Proportional to 18,065.27, 24,938.60 and 13,590.72

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Solution

The fourth proportional to 18,065.27, 24,938.60 and 13,590.72 is: 18,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.27 : 24,938.60 = 13,590.72 : x
  2. Step 2: Convert to fraction form
    18,065.27/24,938.60 = 13,590.72/x
  3. Step 3: Cross multiply
    18,065.27x = 24,938.60 × 13,590.72
  4. Step 4: Simplify right side
    18,065.27x = 338,933,461.84
  5. Step 5: Solve for x
    x = 338,933,461.84/18,065.27
  6. Step 6: Final answer
    x = 18,761.60

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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.