Home / 22,713.12-34,070.64-7,923.52

Finding the Fourth Proportional to 22,713.12, 34,070.64 and 7,923.52

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Solution

The fourth proportional to 22,713.12, 34,070.64 and 7,923.52 is: 11,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,713.12 : 34,070.64 = 7,923.52 : x
  2. Step 2: Convert to fraction form
    22,713.12/34,070.64 = 7,923.52/x
  3. Step 3: Cross multiply
    22,713.12x = 34,070.64 × 7,923.52
  4. Step 4: Simplify right side
    22,713.12x = 269,959,397.45
  5. Step 5: Solve for x
    x = 269,959,397.45/22,713.12
  6. Step 6: Final answer
    x = 11,885.61

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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.