Home / 14,375.38-21,563.07-3,987.13

Finding the Fourth Proportional to 14,375.38, 21,563.07 and 3,987.13

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Solution

The fourth proportional to 14,375.38, 21,563.07 and 3,987.13 is: 5,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.38 : 21,563.07 = 3,987.13 : x
  2. Step 2: Convert to fraction form
    14,375.38/21,563.07 = 3,987.13/x
  3. Step 3: Cross multiply
    14,375.38x = 21,563.07 × 3,987.13
  4. Step 4: Simplify right side
    14,375.38x = 85,974,635.54
  5. Step 5: Solve for x
    x = 85,974,635.54/14,375.38
  6. Step 6: Final answer
    x = 5,980.69

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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.