Home / 19,948.72-29,923.20-8,261.76

Finding the Fourth Proportional to 19,948.72, 29,923.20 and 8,261.76

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Solution

The fourth proportional to 19,948.72, 29,923.20 and 8,261.76 is: 12,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.72 : 29,923.20 = 8,261.76 : x
  2. Step 2: Convert to fraction form
    19,948.72/29,923.20 = 8,261.76/x
  3. Step 3: Cross multiply
    19,948.72x = 29,923.20 × 8,261.76
  4. Step 4: Simplify right side
    19,948.72x = 247,218,296.83
  5. Step 5: Solve for x
    x = 247,218,296.83/19,948.72
  6. Step 6: Final answer
    x = 12,392.69

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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.