Home / 12,250.32-18,400.14-7,329.66

Finding the Fourth Proportional to 12,250.32, 18,400.14 and 7,329.66

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Solution

The fourth proportional to 12,250.32, 18,400.14 and 7,329.66 is: 11,009.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.32 : 18,400.14 = 7,329.66 : x
  2. Step 2: Convert to fraction form
    12,250.32/18,400.14 = 7,329.66/x
  3. Step 3: Cross multiply
    12,250.32x = 18,400.14 × 7,329.66
  4. Step 4: Simplify right side
    12,250.32x = 134,866,770.15
  5. Step 5: Solve for x
    x = 134,866,770.15/12,250.32
  6. Step 6: Final answer
    x = 11,009.24

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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.