Home / 10,055.88-15,078.96-5,672.16

Finding the Fourth Proportional to 10,055.88, 15,078.96 and 5,672.16

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Solution

The fourth proportional to 10,055.88, 15,078.96 and 5,672.16 is: 8,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.88 : 15,078.96 = 5,672.16 : x
  2. Step 2: Convert to fraction form
    10,055.88/15,078.96 = 5,672.16/x
  3. Step 3: Cross multiply
    10,055.88x = 15,078.96 × 5,672.16
  4. Step 4: Simplify right side
    10,055.88x = 85,530,273.75
  5. Step 5: Solve for x
    x = 85,530,273.75/10,055.88
  6. Step 6: Final answer
    x = 8,505.50

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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.