Home / 15,400.35-23,082.30-11,500.20

Finding the Fourth Proportional to 15,400.35, 23,082.30 and 11,500.20

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Solution

The fourth proportional to 15,400.35, 23,082.30 and 11,500.20 is: 17,236.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.35 : 23,082.30 = 11,500.20 : x
  2. Step 2: Convert to fraction form
    15,400.35/23,082.30 = 11,500.20/x
  3. Step 3: Cross multiply
    15,400.35x = 23,082.30 × 11,500.20
  4. Step 4: Simplify right side
    15,400.35x = 265,451,066.46
  5. Step 5: Solve for x
    x = 265,451,066.46/15,400.35
  6. Step 6: Final answer
    x = 17,236.69

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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.