Home / 15,493.13-23,239.49-3,806.45

Finding the Fourth Proportional to 15,493.13, 23,239.49 and 3,806.45

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Solution

The fourth proportional to 15,493.13, 23,239.49 and 3,806.45 is: 5,709.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,493.13 : 23,239.49 = 3,806.45 : x
  2. Step 2: Convert to fraction form
    15,493.13/23,239.49 = 3,806.45/x
  3. Step 3: Cross multiply
    15,493.13x = 23,239.49 × 3,806.45
  4. Step 4: Simplify right side
    15,493.13x = 88,459,930.04
  5. Step 5: Solve for x
    x = 88,459,930.04/15,493.13
  6. Step 6: Final answer
    x = 5,709.62

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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.