Home / 13,471.38-20,208.69-4,588.20

Finding the Fourth Proportional to 13,471.38, 20,208.69 and 4,588.20

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Solution

The fourth proportional to 13,471.38, 20,208.69 and 4,588.20 is: 6,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.38 : 20,208.69 = 4,588.20 : x
  2. Step 2: Convert to fraction form
    13,471.38/20,208.69 = 4,588.20/x
  3. Step 3: Cross multiply
    13,471.38x = 20,208.69 × 4,588.20
  4. Step 4: Simplify right side
    13,471.38x = 92,721,511.46
  5. Step 5: Solve for x
    x = 92,721,511.46/13,471.38
  6. Step 6: Final answer
    x = 6,882.85

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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.