Home / 15,840.80-23,757.96-5,453.36

Finding the Fourth Proportional to 15,840.80, 23,757.96 and 5,453.36

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Solution

The fourth proportional to 15,840.80, 23,757.96 and 5,453.36 is: 8,178.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840.80 : 23,757.96 = 5,453.36 : x
  2. Step 2: Convert to fraction form
    15,840.80/23,757.96 = 5,453.36/x
  3. Step 3: Cross multiply
    15,840.80x = 23,757.96 × 5,453.36
  4. Step 4: Simplify right side
    15,840.80x = 129,560,708.75
  5. Step 5: Solve for x
    x = 129,560,708.75/15,840.80
  6. Step 6: Final answer
    x = 8,178.92

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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.