Home / 13,382.04-20,062.08-5,057.31

Finding the Fourth Proportional to 13,382.04, 20,062.08 and 5,057.31

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Solution

The fourth proportional to 13,382.04, 20,062.08 and 5,057.31 is: 7,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.04 : 20,062.08 = 5,057.31 : x
  2. Step 2: Convert to fraction form
    13,382.04/20,062.08 = 5,057.31/x
  3. Step 3: Cross multiply
    13,382.04x = 20,062.08 × 5,057.31
  4. Step 4: Simplify right side
    13,382.04x = 101,460,157.80
  5. Step 5: Solve for x
    x = 101,460,157.80/13,382.04
  6. Step 6: Final answer
    x = 7,581.82

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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.