Home / 19,834.11-29,744.28-7,984.35

Finding the Fourth Proportional to 19,834.11, 29,744.28 and 7,984.35

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Solution

The fourth proportional to 19,834.11, 29,744.28 and 7,984.35 is: 11,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.11 : 29,744.28 = 7,984.35 : x
  2. Step 2: Convert to fraction form
    19,834.11/29,744.28 = 7,984.35/x
  3. Step 3: Cross multiply
    19,834.11x = 29,744.28 × 7,984.35
  4. Step 4: Simplify right side
    19,834.11x = 237,488,742.02
  5. Step 5: Solve for x
    x = 237,488,742.02/19,834.11
  6. Step 6: Final answer
    x = 11,973.75

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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.