Home / 13,921.16-20,882.56-4,562.12

Finding the Fourth Proportional to 13,921.16, 20,882.56 and 4,562.12

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Solution

The fourth proportional to 13,921.16, 20,882.56 and 4,562.12 is: 6,843.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921.16 : 20,882.56 = 4,562.12 : x
  2. Step 2: Convert to fraction form
    13,921.16/20,882.56 = 4,562.12/x
  3. Step 3: Cross multiply
    13,921.16x = 20,882.56 × 4,562.12
  4. Step 4: Simplify right side
    13,921.16x = 95,268,744.63
  5. Step 5: Solve for x
    x = 95,268,744.63/13,921.16
  6. Step 6: Final answer
    x = 6,843.45

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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.