Home / 23,082.64-34,612.98-11,978.20

Finding the Fourth Proportional to 23,082.64, 34,612.98 and 11,978.20

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Solution

The fourth proportional to 23,082.64, 34,612.98 and 11,978.20 is: 17,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,082.64 : 34,612.98 = 11,978.20 : x
  2. Step 2: Convert to fraction form
    23,082.64/34,612.98 = 11,978.20/x
  3. Step 3: Cross multiply
    23,082.64x = 34,612.98 × 11,978.20
  4. Step 4: Simplify right side
    23,082.64x = 414,601,197.04
  5. Step 5: Solve for x
    x = 414,601,197.04/23,082.64
  6. Step 6: Final answer
    x = 17,961.60

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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.