Home / 12,065.46-18,180.39-9,922.20

Finding the Fourth Proportional to 12,065.46, 18,180.39 and 9,922.20

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Solution

The fourth proportional to 12,065.46, 18,180.39 and 9,922.20 is: 14,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.46 : 18,180.39 = 9,922.20 : x
  2. Step 2: Convert to fraction form
    12,065.46/18,180.39 = 9,922.20/x
  3. Step 3: Cross multiply
    12,065.46x = 18,180.39 × 9,922.20
  4. Step 4: Simplify right side
    12,065.46x = 180,389,465.66
  5. Step 5: Solve for x
    x = 180,389,465.66/12,065.46
  6. Step 6: Final answer
    x = 14,950.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.