Home / 13,671.38-18,867.33-9,126.27

Finding the Fourth Proportional to 13,671.38, 18,867.33 and 9,126.27

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Solution

The fourth proportional to 13,671.38, 18,867.33 and 9,126.27 is: 12,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,671.38 : 18,867.33 = 9,126.27 : x
  2. Step 2: Convert to fraction form
    13,671.38/18,867.33 = 9,126.27/x
  3. Step 3: Cross multiply
    13,671.38x = 18,867.33 × 9,126.27
  4. Step 4: Simplify right side
    13,671.38x = 172,188,347.76
  5. Step 5: Solve for x
    x = 172,188,347.76/13,671.38
  6. Step 6: Final answer
    x = 12,594.80

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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.