Home / 19,834.74-29,748.90-5,791.46

Finding the Fourth Proportional to 19,834.74, 29,748.90 and 5,791.46

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Solution

The fourth proportional to 19,834.74, 29,748.90 and 5,791.46 is: 8,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.74 : 29,748.90 = 5,791.46 : x
  2. Step 2: Convert to fraction form
    19,834.74/29,748.90 = 5,791.46/x
  3. Step 3: Cross multiply
    19,834.74x = 29,748.90 × 5,791.46
  4. Step 4: Simplify right side
    19,834.74x = 172,289,638.77
  5. Step 5: Solve for x
    x = 172,289,638.77/19,834.74
  6. Step 6: Final answer
    x = 8,686.26

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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.