Home / 10,127.40-15,194.01-3,108.44

Finding the Fourth Proportional to 10,127.40, 15,194.01 and 3,108.44

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Solution

The fourth proportional to 10,127.40, 15,194.01 and 3,108.44 is: 4,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.40 : 15,194.01 = 3,108.44 : x
  2. Step 2: Convert to fraction form
    10,127.40/15,194.01 = 3,108.44/x
  3. Step 3: Cross multiply
    10,127.40x = 15,194.01 × 3,108.44
  4. Step 4: Simplify right side
    10,127.40x = 47,229,668.44
  5. Step 5: Solve for x
    x = 47,229,668.44/10,127.40
  6. Step 6: Final answer
    x = 4,663.55

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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.