Home / 12,441.04-17,168.70-6,775.90

Finding the Fourth Proportional to 12,441.04, 17,168.70 and 6,775.90

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Solution

The fourth proportional to 12,441.04, 17,168.70 and 6,775.90 is: 9,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.04 : 17,168.70 = 6,775.90 : x
  2. Step 2: Convert to fraction form
    12,441.04/17,168.70 = 6,775.90/x
  3. Step 3: Cross multiply
    12,441.04x = 17,168.70 × 6,775.90
  4. Step 4: Simplify right side
    12,441.04x = 116,333,394.33
  5. Step 5: Solve for x
    x = 116,333,394.33/12,441.04
  6. Step 6: Final answer
    x = 9,350.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.