Home / 13,569.14-20,356.80-5,249.18

Finding the Fourth Proportional to 13,569.14, 20,356.80 and 5,249.18

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Solution

The fourth proportional to 13,569.14, 20,356.80 and 5,249.18 is: 7,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.14 : 20,356.80 = 5,249.18 : x
  2. Step 2: Convert to fraction form
    13,569.14/20,356.80 = 5,249.18/x
  3. Step 3: Cross multiply
    13,569.14x = 20,356.80 × 5,249.18
  4. Step 4: Simplify right side
    13,569.14x = 106,856,507.42
  5. Step 5: Solve for x
    x = 106,856,507.42/13,569.14
  6. Step 6: Final answer
    x = 7,874.97

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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.