Home / 15,187.52-20,958.84-8,473.55

Finding the Fourth Proportional to 15,187.52, 20,958.84 and 8,473.55

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Solution

The fourth proportional to 15,187.52, 20,958.84 and 8,473.55 is: 11,693.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.52 : 20,958.84 = 8,473.55 : x
  2. Step 2: Convert to fraction form
    15,187.52/20,958.84 = 8,473.55/x
  3. Step 3: Cross multiply
    15,187.52x = 20,958.84 × 8,473.55
  4. Step 4: Simplify right side
    15,187.52x = 177,595,778.68
  5. Step 5: Solve for x
    x = 177,595,778.68/15,187.52
  6. Step 6: Final answer
    x = 11,693.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.