Home / 10,181.30-15,272.69-3,515.04

Finding the Fourth Proportional to 10,181.30, 15,272.69 and 3,515.04

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Solution

The fourth proportional to 10,181.30, 15,272.69 and 3,515.04 is: 5,272.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.30 : 15,272.69 = 3,515.04 : x
  2. Step 2: Convert to fraction form
    10,181.30/15,272.69 = 3,515.04/x
  3. Step 3: Cross multiply
    10,181.30x = 15,272.69 × 3,515.04
  4. Step 4: Simplify right side
    10,181.30x = 53,684,098.68
  5. Step 5: Solve for x
    x = 53,684,098.68/10,181.30
  6. Step 6: Final answer
    x = 5,272.82

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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.