Home / 9,238.56-13,873.20-9,166.88

Finding the Fourth Proportional to 9,238.56, 13,873.20 and 9,166.88

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Solution

The fourth proportional to 9,238.56, 13,873.20 and 9,166.88 is: 13,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.56 : 13,873.20 = 9,166.88 : x
  2. Step 2: Convert to fraction form
    9,238.56/13,873.20 = 9,166.88/x
  3. Step 3: Cross multiply
    9,238.56x = 13,873.20 × 9,166.88
  4. Step 4: Simplify right side
    9,238.56x = 127,173,959.62
  5. Step 5: Solve for x
    x = 127,173,959.62/9,238.56
  6. Step 6: Final answer
    x = 13,765.56

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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.