Home / 16,742.78-23,104.94-9,188.92

Finding the Fourth Proportional to 16,742.78, 23,104.94 and 9,188.92

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Solution

The fourth proportional to 16,742.78, 23,104.94 and 9,188.92 is: 12,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.78 : 23,104.94 = 9,188.92 : x
  2. Step 2: Convert to fraction form
    16,742.78/23,104.94 = 9,188.92/x
  3. Step 3: Cross multiply
    16,742.78x = 23,104.94 × 9,188.92
  4. Step 4: Simplify right side
    16,742.78x = 212,309,445.26
  5. Step 5: Solve for x
    x = 212,309,445.26/16,742.78
  6. Step 6: Final answer
    x = 12,680.66

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Double scale
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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.