Home / 17,812.78-24,565.35-15,294.09

Finding the Fourth Proportional to 17,812.78, 24,565.35 and 15,294.09

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Solution

The fourth proportional to 17,812.78, 24,565.35 and 15,294.09 is: 21,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.78 : 24,565.35 = 15,294.09 : x
  2. Step 2: Convert to fraction form
    17,812.78/24,565.35 = 15,294.09/x
  3. Step 3: Cross multiply
    17,812.78x = 24,565.35 × 15,294.09
  4. Step 4: Simplify right side
    17,812.78x = 375,704,673.78
  5. Step 5: Solve for x
    x = 375,704,673.78/17,812.78
  6. Step 6: Final answer
    x = 21,091.86

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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.