Home / 11,442.62-17,116.54-10,742.78

Finding the Fourth Proportional to 11,442.62, 17,116.54 and 10,742.78

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Solution

The fourth proportional to 11,442.62, 17,116.54 and 10,742.78 is: 16,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,442.62 : 17,116.54 = 10,742.78 : x
  2. Step 2: Convert to fraction form
    11,442.62/17,116.54 = 10,742.78/x
  3. Step 3: Cross multiply
    11,442.62x = 17,116.54 × 10,742.78
  4. Step 4: Simplify right side
    11,442.62x = 183,879,223.58
  5. Step 5: Solve for x
    x = 183,879,223.58/11,442.62
  6. Step 6: Final answer
    x = 16,069.68

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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.