Home / 10,149.56-15,225.28-2,754.04

Finding the Fourth Proportional to 10,149.56, 15,225.28 and 2,754.04

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Solution

The fourth proportional to 10,149.56, 15,225.28 and 2,754.04 is: 4,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.56 : 15,225.28 = 2,754.04 : x
  2. Step 2: Convert to fraction form
    10,149.56/15,225.28 = 2,754.04/x
  3. Step 3: Cross multiply
    10,149.56x = 15,225.28 × 2,754.04
  4. Step 4: Simplify right side
    10,149.56x = 41,931,030.13
  5. Step 5: Solve for x
    x = 41,931,030.13/10,149.56
  6. Step 6: Final answer
    x = 4,131.32

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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.