Home / 15,517.26-23,276.78-4,423.09

Finding the Fourth Proportional to 15,517.26, 23,276.78 and 4,423.09

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Solution

The fourth proportional to 15,517.26, 23,276.78 and 4,423.09 is: 6,634.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.26 : 23,276.78 = 4,423.09 : x
  2. Step 2: Convert to fraction form
    15,517.26/23,276.78 = 4,423.09/x
  3. Step 3: Cross multiply
    15,517.26x = 23,276.78 × 4,423.09
  4. Step 4: Simplify right side
    15,517.26x = 102,955,377.19
  5. Step 5: Solve for x
    x = 102,955,377.19/15,517.26
  6. Step 6: Final answer
    x = 6,634.89

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1.5x scale

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.