Home / 16,767.18-23,138.59-9,110.38

Finding the Fourth Proportional to 16,767.18, 23,138.59 and 9,110.38

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Solution

The fourth proportional to 16,767.18, 23,138.59 and 9,110.38 is: 12,572.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.18 : 23,138.59 = 9,110.38 : x
  2. Step 2: Convert to fraction form
    16,767.18/23,138.59 = 9,110.38/x
  3. Step 3: Cross multiply
    16,767.18x = 23,138.59 × 9,110.38
  4. Step 4: Simplify right side
    16,767.18x = 210,801,347.56
  5. Step 5: Solve for x
    x = 210,801,347.56/16,767.18
  6. Step 6: Final answer
    x = 12,572.26

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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.