Home / 22,281.07-30,747.87-12,849.63

Finding the Fourth Proportional to 22,281.07, 30,747.87 and 12,849.63

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Solution

The fourth proportional to 22,281.07, 30,747.87 and 12,849.63 is: 17,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.07 : 30,747.87 = 12,849.63 : x
  2. Step 2: Convert to fraction form
    22,281.07/30,747.87 = 12,849.63/x
  3. Step 3: Cross multiply
    22,281.07x = 30,747.87 × 12,849.63
  4. Step 4: Simplify right side
    22,281.07x = 395,098,534.80
  5. Step 5: Solve for x
    x = 395,098,534.80/22,281.07
  6. Step 6: Final answer
    x = 17,732.48

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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.