Home / 9,325.20-13,987.76-8,858.04

Finding the Fourth Proportional to 9,325.20, 13,987.76 and 8,858.04

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Solution

The fourth proportional to 9,325.20, 13,987.76 and 8,858.04 is: 13,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.20 : 13,987.76 = 8,858.04 : x
  2. Step 2: Convert to fraction form
    9,325.20/13,987.76 = 8,858.04/x
  3. Step 3: Cross multiply
    9,325.20x = 13,987.76 × 8,858.04
  4. Step 4: Simplify right side
    9,325.20x = 123,904,137.59
  5. Step 5: Solve for x
    x = 123,904,137.59/9,325.20
  6. Step 6: Final answer
    x = 13,287.02

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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.