Home / 18,291.12-27,436.76-4,440.12

Finding the Fourth Proportional to 18,291.12, 27,436.76 and 4,440.12

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Solution

The fourth proportional to 18,291.12, 27,436.76 and 4,440.12 is: 6,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.12 : 27,436.76 = 4,440.12 : x
  2. Step 2: Convert to fraction form
    18,291.12/27,436.76 = 4,440.12/x
  3. Step 3: Cross multiply
    18,291.12x = 27,436.76 × 4,440.12
  4. Step 4: Simplify right side
    18,291.12x = 121,822,506.81
  5. Step 5: Solve for x
    x = 121,822,506.81/18,291.12
  6. Step 6: Final answer
    x = 6,660.20

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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.