Home / 15,548.05-23,319.60-5,159.80

Finding the Fourth Proportional to 15,548.05, 23,319.60 and 5,159.80

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Solution

The fourth proportional to 15,548.05, 23,319.60 and 5,159.80 is: 7,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.05 : 23,319.60 = 5,159.80 : x
  2. Step 2: Convert to fraction form
    15,548.05/23,319.60 = 5,159.80/x
  3. Step 3: Cross multiply
    15,548.05x = 23,319.60 × 5,159.80
  4. Step 4: Simplify right side
    15,548.05x = 120,324,472.08
  5. Step 5: Solve for x
    x = 120,324,472.08/15,548.05
  6. Step 6: Final answer
    x = 7,738.88

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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.