Home / 15,377.40-23,044.82-8,789.68

Finding the Fourth Proportional to 15,377.40, 23,044.82 and 8,789.68

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Solution

The fourth proportional to 15,377.40, 23,044.82 and 8,789.68 is: 13,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,377.40 : 23,044.82 = 8,789.68 : x
  2. Step 2: Convert to fraction form
    15,377.40/23,044.82 = 8,789.68/x
  3. Step 3: Cross multiply
    15,377.40x = 23,044.82 × 8,789.68
  4. Step 4: Simplify right side
    15,377.40x = 202,556,593.46
  5. Step 5: Solve for x
    x = 202,556,593.46/15,377.40
  6. Step 6: Final answer
    x = 13,172.36

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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.