Home / 19,942.86-29,909.78-5,903.94

Finding the Fourth Proportional to 19,942.86, 29,909.78 and 5,903.94

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Solution

The fourth proportional to 19,942.86, 29,909.78 and 5,903.94 is: 8,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.86 : 29,909.78 = 5,903.94 : x
  2. Step 2: Convert to fraction form
    19,942.86/29,909.78 = 5,903.94/x
  3. Step 3: Cross multiply
    19,942.86x = 29,909.78 × 5,903.94
  4. Step 4: Simplify right side
    19,942.86x = 176,585,546.53
  5. Step 5: Solve for x
    x = 176,585,546.53/19,942.86
  6. Step 6: Final answer
    x = 8,854.57

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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.