Home / 10,149.91-15,223.06-2,754.94

Finding the Fourth Proportional to 10,149.91, 15,223.06 and 2,754.94

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Solution

The fourth proportional to 10,149.91, 15,223.06 and 2,754.94 is: 4,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.91 : 15,223.06 = 2,754.94 : x
  2. Step 2: Convert to fraction form
    10,149.91/15,223.06 = 2,754.94/x
  3. Step 3: Cross multiply
    10,149.91x = 15,223.06 × 2,754.94
  4. Step 4: Simplify right side
    10,149.91x = 41,938,620.36
  5. Step 5: Solve for x
    x = 41,938,620.36/10,149.91
  6. Step 6: Final answer
    x = 4,131.92

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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.