Home / 13,377.60-20,078.55-8,998.14

Finding the Fourth Proportional to 13,377.60, 20,078.55 and 8,998.14

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Solution

The fourth proportional to 13,377.60, 20,078.55 and 8,998.14 is: 13,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.60 : 20,078.55 = 8,998.14 : x
  2. Step 2: Convert to fraction form
    13,377.60/20,078.55 = 8,998.14/x
  3. Step 3: Cross multiply
    13,377.60x = 20,078.55 × 8,998.14
  4. Step 4: Simplify right side
    13,377.60x = 180,669,603.90
  5. Step 5: Solve for x
    x = 180,669,603.90/13,377.60
  6. Step 6: Final answer
    x = 13,505.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.