Home / 22,704.72-34,089.24-12,863.28

Finding the Fourth Proportional to 22,704.72, 34,089.24 and 12,863.28

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Solution

The fourth proportional to 22,704.72, 34,089.24 and 12,863.28 is: 19,313.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.72 : 34,089.24 = 12,863.28 : x
  2. Step 2: Convert to fraction form
    22,704.72/34,089.24 = 12,863.28/x
  3. Step 3: Cross multiply
    22,704.72x = 34,089.24 × 12,863.28
  4. Step 4: Simplify right side
    22,704.72x = 438,499,439.11
  5. Step 5: Solve for x
    x = 438,499,439.11/22,704.72
  6. Step 6: Final answer
    x = 19,313.14

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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.