Home / 18,717.12-25,830.24-10,760.64

Finding the Fourth Proportional to 18,717.12, 25,830.24 and 10,760.64

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Solution

The fourth proportional to 18,717.12, 25,830.24 and 10,760.64 is: 14,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,717.12 : 25,830.24 = 10,760.64 : x
  2. Step 2: Convert to fraction form
    18,717.12/25,830.24 = 10,760.64/x
  3. Step 3: Cross multiply
    18,717.12x = 25,830.24 × 10,760.64
  4. Step 4: Simplify right side
    18,717.12x = 277,949,913.75
  5. Step 5: Solve for x
    x = 277,949,913.75/18,717.12
  6. Step 6: Final answer
    x = 14,850.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.