Home / 10,126.25-15,192.19-3,106.49

Finding the Fourth Proportional to 10,126.25, 15,192.19 and 3,106.49

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Solution

The fourth proportional to 10,126.25, 15,192.19 and 3,106.49 is: 4,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.25 : 15,192.19 = 3,106.49 : x
  2. Step 2: Convert to fraction form
    10,126.25/15,192.19 = 3,106.49/x
  3. Step 3: Cross multiply
    10,126.25x = 15,192.19 × 3,106.49
  4. Step 4: Simplify right side
    10,126.25x = 47,194,371.77
  5. Step 5: Solve for x
    x = 47,194,371.77/10,126.25
  6. Step 6: Final answer
    x = 4,660.60

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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.