Home / 13,663.30-20,504.55-5,877.70

Finding the Fourth Proportional to 13,663.30, 20,504.55 and 5,877.70

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Solution

The fourth proportional to 13,663.30, 20,504.55 and 5,877.70 is: 8,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.30 : 20,504.55 = 5,877.70 : x
  2. Step 2: Convert to fraction form
    13,663.30/20,504.55 = 5,877.70/x
  3. Step 3: Cross multiply
    13,663.30x = 20,504.55 × 5,877.70
  4. Step 4: Simplify right side
    13,663.30x = 120,519,593.54
  5. Step 5: Solve for x
    x = 120,519,593.54/13,663.30
  6. Step 6: Final answer
    x = 8,820.68

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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.