Home / 13,468.38-20,195.85-8,534.28

Finding the Fourth Proportional to 13,468.38, 20,195.85 and 8,534.28

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Solution

The fourth proportional to 13,468.38, 20,195.85 and 8,534.28 is: 12,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.38 : 20,195.85 = 8,534.28 : x
  2. Step 2: Convert to fraction form
    13,468.38/20,195.85 = 8,534.28/x
  3. Step 3: Cross multiply
    13,468.38x = 20,195.85 × 8,534.28
  4. Step 4: Simplify right side
    13,468.38x = 172,357,038.74
  5. Step 5: Solve for x
    x = 172,357,038.74/13,468.38
  6. Step 6: Final answer
    x = 12,797.16

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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.