Home / 19,542.80-29,333.74-10,781.84

Finding the Fourth Proportional to 19,542.80, 29,333.74 and 10,781.84

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Solution

The fourth proportional to 19,542.80, 29,333.74 and 10,781.84 is: 16,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.80 : 29,333.74 = 10,781.84 : x
  2. Step 2: Convert to fraction form
    19,542.80/29,333.74 = 10,781.84/x
  3. Step 3: Cross multiply
    19,542.80x = 29,333.74 × 10,781.84
  4. Step 4: Simplify right side
    19,542.80x = 316,271,691.28
  5. Step 5: Solve for x
    x = 316,271,691.28/19,542.80
  6. Step 6: Final answer
    x = 16,183.54

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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.