Home / 19,869.75-29,818.29-8,182.97

Finding the Fourth Proportional to 19,869.75, 29,818.29 and 8,182.97

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Solution

The fourth proportional to 19,869.75, 29,818.29 and 8,182.97 is: 12,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.75 : 29,818.29 = 8,182.97 : x
  2. Step 2: Convert to fraction form
    19,869.75/29,818.29 = 8,182.97/x
  3. Step 3: Cross multiply
    19,869.75x = 29,818.29 × 8,182.97
  4. Step 4: Simplify right side
    19,869.75x = 244,002,165.93
  5. Step 5: Solve for x
    x = 244,002,165.93/19,869.75
  6. Step 6: Final answer
    x = 12,280.08

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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.