Home / 9,187.24-13,772.76-3,987.04

Finding the Fourth Proportional to 9,187.24, 13,772.76 and 3,987.04

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Solution

The fourth proportional to 9,187.24, 13,772.76 and 3,987.04 is: 5,977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.24 : 13,772.76 = 3,987.04 : x
  2. Step 2: Convert to fraction form
    9,187.24/13,772.76 = 3,987.04/x
  3. Step 3: Cross multiply
    9,187.24x = 13,772.76 × 3,987.04
  4. Step 4: Simplify right side
    9,187.24x = 54,912,545.03
  5. Step 5: Solve for x
    x = 54,912,545.03/9,187.24
  6. Step 6: Final answer
    x = 5,977.04

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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.