Home / 12,167.66-18,244.49-4,763.45

Finding the Fourth Proportional to 12,167.66, 18,244.49 and 4,763.45

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Solution

The fourth proportional to 12,167.66, 18,244.49 and 4,763.45 is: 7,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.66 : 18,244.49 = 4,763.45 : x
  2. Step 2: Convert to fraction form
    12,167.66/18,244.49 = 4,763.45/x
  3. Step 3: Cross multiply
    12,167.66x = 18,244.49 × 4,763.45
  4. Step 4: Simplify right side
    12,167.66x = 86,906,624.67
  5. Step 5: Solve for x
    x = 86,906,624.67/12,167.66
  6. Step 6: Final answer
    x = 7,142.43

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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.