Home / 16,254.38-22,432.70-11,720.79

Finding the Fourth Proportional to 16,254.38, 22,432.70 and 11,720.79

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Solution

The fourth proportional to 16,254.38, 22,432.70 and 11,720.79 is: 16,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,254.38 : 22,432.70 = 11,720.79 : x
  2. Step 2: Convert to fraction form
    16,254.38/22,432.70 = 11,720.79/x
  3. Step 3: Cross multiply
    16,254.38x = 22,432.70 × 11,720.79
  4. Step 4: Simplify right side
    16,254.38x = 262,928,907.23
  5. Step 5: Solve for x
    x = 262,928,907.23/16,254.38
  6. Step 6: Final answer
    x = 16,175.89

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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.