Home / 10,083.56-15,122.88-3,158.06

Finding the Fourth Proportional to 10,083.56, 15,122.88 and 3,158.06

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Solution

The fourth proportional to 10,083.56, 15,122.88 and 3,158.06 is: 4,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.56 : 15,122.88 = 3,158.06 : x
  2. Step 2: Convert to fraction form
    10,083.56/15,122.88 = 3,158.06/x
  3. Step 3: Cross multiply
    10,083.56x = 15,122.88 × 3,158.06
  4. Step 4: Simplify right side
    10,083.56x = 47,758,886.80
  5. Step 5: Solve for x
    x = 47,758,886.80/10,083.56
  6. Step 6: Final answer
    x = 4,736.31

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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.