Home / 15,512.20-23,268.30-9,291.40

Finding the Fourth Proportional to 15,512.20, 23,268.30 and 9,291.40

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Solution

The fourth proportional to 15,512.20, 23,268.30 and 9,291.40 is: 13,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.20 : 23,268.30 = 9,291.40 : x
  2. Step 2: Convert to fraction form
    15,512.20/23,268.30 = 9,291.40/x
  3. Step 3: Cross multiply
    15,512.20x = 23,268.30 × 9,291.40
  4. Step 4: Simplify right side
    15,512.20x = 216,195,082.62
  5. Step 5: Solve for x
    x = 216,195,082.62/15,512.20
  6. Step 6: Final answer
    x = 13,937.10

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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.