Home / 10,122.20-15,184.20-2,726.49

Finding the Fourth Proportional to 10,122.20, 15,184.20 and 2,726.49

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Solution

The fourth proportional to 10,122.20, 15,184.20 and 2,726.49 is: 4,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.20 : 15,184.20 = 2,726.49 : x
  2. Step 2: Convert to fraction form
    10,122.20/15,184.20 = 2,726.49/x
  3. Step 3: Cross multiply
    10,122.20x = 15,184.20 × 2,726.49
  4. Step 4: Simplify right side
    10,122.20x = 41,399,569.46
  5. Step 5: Solve for x
    x = 41,399,569.46/10,122.20
  6. Step 6: Final answer
    x = 4,089.98

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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.