Home / 19,942.28-29,913.66-8,542.68

Finding the Fourth Proportional to 19,942.28, 29,913.66 and 8,542.68

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Solution

The fourth proportional to 19,942.28, 29,913.66 and 8,542.68 is: 12,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.28 : 29,913.66 = 8,542.68 : x
  2. Step 2: Convert to fraction form
    19,942.28/29,913.66 = 8,542.68/x
  3. Step 3: Cross multiply
    19,942.28x = 29,913.66 × 8,542.68
  4. Step 4: Simplify right side
    19,942.28x = 255,542,825.01
  5. Step 5: Solve for x
    x = 255,542,825.01/19,942.28
  6. Step 6: Final answer
    x = 12,814.12

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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.