Home / 16,169.76-22,302.33-11,135.58

Finding the Fourth Proportional to 16,169.76, 22,302.33 and 11,135.58

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Solution

The fourth proportional to 16,169.76, 22,302.33 and 11,135.58 is: 15,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,169.76 : 22,302.33 = 11,135.58 : x
  2. Step 2: Convert to fraction form
    16,169.76/22,302.33 = 11,135.58/x
  3. Step 3: Cross multiply
    16,169.76x = 22,302.33 × 11,135.58
  4. Step 4: Simplify right side
    16,169.76x = 248,349,379.90
  5. Step 5: Solve for x
    x = 248,349,379.90/16,169.76
  6. Step 6: Final answer
    x = 15,358.88

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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.