Home / 18,291.18-27,436.80-4,440.18

Finding the Fourth Proportional to 18,291.18, 27,436.80 and 4,440.18

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Solution

The fourth proportional to 18,291.18, 27,436.80 and 4,440.18 is: 6,660.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.18 : 27,436.80 = 4,440.18 : x
  2. Step 2: Convert to fraction form
    18,291.18/27,436.80 = 4,440.18/x
  3. Step 3: Cross multiply
    18,291.18x = 27,436.80 × 4,440.18
  4. Step 4: Simplify right side
    18,291.18x = 121,824,330.62
  5. Step 5: Solve for x
    x = 121,824,330.62/18,291.18
  6. Step 6: Final answer
    x = 6,660.28

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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.