Home / 19,129.92-28,641.66-9,749.73

Finding the Fourth Proportional to 19,129.92, 28,641.66 and 9,749.73

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Solution

The fourth proportional to 19,129.92, 28,641.66 and 9,749.73 is: 14,597.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.92 : 28,641.66 = 9,749.73 : x
  2. Step 2: Convert to fraction form
    19,129.92/28,641.66 = 9,749.73/x
  3. Step 3: Cross multiply
    19,129.92x = 28,641.66 × 9,749.73
  4. Step 4: Simplify right side
    19,129.92x = 279,248,451.75
  5. Step 5: Solve for x
    x = 279,248,451.75/19,129.92
  6. Step 6: Final answer
    x = 14,597.47

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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.