Home / 18,560.03-25,578.48-13,182.70

Finding the Fourth Proportional to 18,560.03, 25,578.48 and 13,182.70

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Solution

The fourth proportional to 18,560.03, 25,578.48 and 13,182.70 is: 18,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.03 : 25,578.48 = 13,182.70 : x
  2. Step 2: Convert to fraction form
    18,560.03/25,578.48 = 13,182.70/x
  3. Step 3: Cross multiply
    18,560.03x = 25,578.48 × 13,182.70
  4. Step 4: Simplify right side
    18,560.03x = 337,193,428.30
  5. Step 5: Solve for x
    x = 337,193,428.30/18,560.03
  6. Step 6: Final answer
    x = 18,167.72

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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.