Home / 19,901.39-29,834.66-8,047.85

Finding the Fourth Proportional to 19,901.39, 29,834.66 and 8,047.85

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Solution

The fourth proportional to 19,901.39, 29,834.66 and 8,047.85 is: 12,064.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.39 : 29,834.66 = 8,047.85 : x
  2. Step 2: Convert to fraction form
    19,901.39/29,834.66 = 8,047.85/x
  3. Step 3: Cross multiply
    19,901.39x = 29,834.66 × 8,047.85
  4. Step 4: Simplify right side
    19,901.39x = 240,104,679.07
  5. Step 5: Solve for x
    x = 240,104,679.07/19,901.39
  6. Step 6: Final answer
    x = 12,064.72

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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.