Home / 13,372.28-20,055.48-4,488.86

Finding the Fourth Proportional to 13,372.28, 20,055.48 and 4,488.86

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Solution

The fourth proportional to 13,372.28, 20,055.48 and 4,488.86 is: 6,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.28 : 20,055.48 = 4,488.86 : x
  2. Step 2: Convert to fraction form
    13,372.28/20,055.48 = 4,488.86/x
  3. Step 3: Cross multiply
    13,372.28x = 20,055.48 × 4,488.86
  4. Step 4: Simplify right side
    13,372.28x = 90,026,241.95
  5. Step 5: Solve for x
    x = 90,026,241.95/13,372.28
  6. Step 6: Final answer
    x = 6,732.30

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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.