Home / 10,479.56-15,718.97-3,084.14

Finding the Fourth Proportional to 10,479.56, 15,718.97 and 3,084.14

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Solution

The fourth proportional to 10,479.56, 15,718.97 and 3,084.14 is: 4,626.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.56 : 15,718.97 = 3,084.14 : x
  2. Step 2: Convert to fraction form
    10,479.56/15,718.97 = 3,084.14/x
  3. Step 3: Cross multiply
    10,479.56x = 15,718.97 × 3,084.14
  4. Step 4: Simplify right side
    10,479.56x = 48,479,410.12
  5. Step 5: Solve for x
    x = 48,479,410.12/10,479.56
  6. Step 6: Final answer
    x = 4,626.09

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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.