Home / 10,311.51-15,454.56-4,757.13

Finding the Fourth Proportional to 10,311.51, 15,454.56 and 4,757.13

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Solution

The fourth proportional to 10,311.51, 15,454.56 and 4,757.13 is: 7,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.51 : 15,454.56 = 4,757.13 : x
  2. Step 2: Convert to fraction form
    10,311.51/15,454.56 = 4,757.13/x
  3. Step 3: Cross multiply
    10,311.51x = 15,454.56 × 4,757.13
  4. Step 4: Simplify right side
    10,311.51x = 73,519,351.01
  5. Step 5: Solve for x
    x = 73,519,351.01/10,311.51
  6. Step 6: Final answer
    x = 7,129.83

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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.