Home / 12,344.80-18,521.52-3,580.24

Finding the Fourth Proportional to 12,344.80, 18,521.52 and 3,580.24

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Solution

The fourth proportional to 12,344.80, 18,521.52 and 3,580.24 is: 5,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.80 : 18,521.52 = 3,580.24 : x
  2. Step 2: Convert to fraction form
    12,344.80/18,521.52 = 3,580.24/x
  3. Step 3: Cross multiply
    12,344.80x = 18,521.52 × 3,580.24
  4. Step 4: Simplify right side
    12,344.80x = 66,311,486.76
  5. Step 5: Solve for x
    x = 66,311,486.76/12,344.80
  6. Step 6: Final answer
    x = 5,371.61

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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.