Home / 19,749.92-29,632.20-9,225.88

Finding the Fourth Proportional to 19,749.92, 29,632.20 and 9,225.88

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Solution

The fourth proportional to 19,749.92, 29,632.20 and 9,225.88 is: 13,842.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.92 : 29,632.20 = 9,225.88 : x
  2. Step 2: Convert to fraction form
    19,749.92/29,632.20 = 9,225.88/x
  3. Step 3: Cross multiply
    19,749.92x = 29,632.20 × 9,225.88
  4. Step 4: Simplify right side
    19,749.92x = 273,383,121.34
  5. Step 5: Solve for x
    x = 273,383,121.34/19,749.92
  6. Step 6: Final answer
    x = 13,842.24

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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.