Home / 13,672.58-20,508.85-5,346.76

Finding the Fourth Proportional to 13,672.58, 20,508.85 and 5,346.76

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Solution

The fourth proportional to 13,672.58, 20,508.85 and 5,346.76 is: 8,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672.58 : 20,508.85 = 5,346.76 : x
  2. Step 2: Convert to fraction form
    13,672.58/20,508.85 = 5,346.76/x
  3. Step 3: Cross multiply
    13,672.58x = 20,508.85 × 5,346.76
  4. Step 4: Simplify right side
    13,672.58x = 109,655,879.53
  5. Step 5: Solve for x
    x = 109,655,879.53/13,672.58
  6. Step 6: Final answer
    x = 8,020.13

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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.