Home / 15,829.26-23,717.61-11,139.46

Finding the Fourth Proportional to 15,829.26, 23,717.61 and 11,139.46

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Solution

The fourth proportional to 15,829.26, 23,717.61 and 11,139.46 is: 16,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.26 : 23,717.61 = 11,139.46 : x
  2. Step 2: Convert to fraction form
    15,829.26/23,717.61 = 11,139.46/x
  3. Step 3: Cross multiply
    15,829.26x = 23,717.61 × 11,139.46
  4. Step 4: Simplify right side
    15,829.26x = 264,201,367.89
  5. Step 5: Solve for x
    x = 264,201,367.89/15,829.26
  6. Step 6: Final answer
    x = 16,690.70

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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.