Home / 18,436.60-27,634.20-7,340.32

Finding the Fourth Proportional to 18,436.60, 27,634.20 and 7,340.32

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Solution

The fourth proportional to 18,436.60, 27,634.20 and 7,340.32 is: 11,002.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.60 : 27,634.20 = 7,340.32 : x
  2. Step 2: Convert to fraction form
    18,436.60/27,634.20 = 7,340.32/x
  3. Step 3: Cross multiply
    18,436.60x = 27,634.20 × 7,340.32
  4. Step 4: Simplify right side
    18,436.60x = 202,843,870.94
  5. Step 5: Solve for x
    x = 202,843,870.94/18,436.60
  6. Step 6: Final answer
    x = 11,002.24

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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.