Home / 13,302.26-19,909.82-7,289.17

Finding the Fourth Proportional to 13,302.26, 19,909.82 and 7,289.17

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Solution

The fourth proportional to 13,302.26, 19,909.82 and 7,289.17 is: 10,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.26 : 19,909.82 = 7,289.17 : x
  2. Step 2: Convert to fraction form
    13,302.26/19,909.82 = 7,289.17/x
  3. Step 3: Cross multiply
    13,302.26x = 19,909.82 × 7,289.17
  4. Step 4: Simplify right side
    13,302.26x = 145,126,062.65
  5. Step 5: Solve for x
    x = 145,126,062.65/13,302.26
  6. Step 6: Final answer
    x = 10,909.88

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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.