Home / 11,479.23-17,216.78-3,158.17

Finding the Fourth Proportional to 11,479.23, 17,216.78 and 3,158.17

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Solution

The fourth proportional to 11,479.23, 17,216.78 and 3,158.17 is: 4,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.23 : 17,216.78 = 3,158.17 : x
  2. Step 2: Convert to fraction form
    11,479.23/17,216.78 = 3,158.17/x
  3. Step 3: Cross multiply
    11,479.23x = 17,216.78 × 3,158.17
  4. Step 4: Simplify right side
    11,479.23x = 54,373,459.26
  5. Step 5: Solve for x
    x = 54,373,459.26/11,479.23
  6. Step 6: Final answer
    x = 4,736.68

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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.