Home / 10,217.16-15,321.96-3,642.12

Finding the Fourth Proportional to 10,217.16, 15,321.96 and 3,642.12

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Solution

The fourth proportional to 10,217.16, 15,321.96 and 3,642.12 is: 5,461.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.16 : 15,321.96 = 3,642.12 : x
  2. Step 2: Convert to fraction form
    10,217.16/15,321.96 = 3,642.12/x
  3. Step 3: Cross multiply
    10,217.16x = 15,321.96 × 3,642.12
  4. Step 4: Simplify right side
    10,217.16x = 55,804,416.96
  5. Step 5: Solve for x
    x = 55,804,416.96/10,217.16
  6. Step 6: Final answer
    x = 5,461.83

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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.