Home / 15,481.98-23,219.46-4,386.12

Finding the Fourth Proportional to 15,481.98, 23,219.46 and 4,386.12

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Solution

The fourth proportional to 15,481.98, 23,219.46 and 4,386.12 is: 6,578.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.98 : 23,219.46 = 4,386.12 : x
  2. Step 2: Convert to fraction form
    15,481.98/23,219.46 = 4,386.12/x
  3. Step 3: Cross multiply
    15,481.98x = 23,219.46 × 4,386.12
  4. Step 4: Simplify right side
    15,481.98x = 101,843,337.90
  5. Step 5: Solve for x
    x = 101,843,337.90/15,481.98
  6. Step 6: Final answer
    x = 6,578.19

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Similar ratio
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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.