Home / 12,170.14-18,247.12-4,377.94

Finding the Fourth Proportional to 12,170.14, 18,247.12 and 4,377.94

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Solution

The fourth proportional to 12,170.14, 18,247.12 and 4,377.94 is: 6,564.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.14 : 18,247.12 = 4,377.94 : x
  2. Step 2: Convert to fraction form
    12,170.14/18,247.12 = 4,377.94/x
  3. Step 3: Cross multiply
    12,170.14x = 18,247.12 × 4,377.94
  4. Step 4: Simplify right side
    12,170.14x = 79,884,796.53
  5. Step 5: Solve for x
    x = 79,884,796.53/12,170.14
  6. Step 6: Final answer
    x = 6,564.00

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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.