Home / 18,236.71-27,355.07-14,082.79

Finding the Fourth Proportional to 18,236.71, 27,355.07 and 14,082.79

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Solution

The fourth proportional to 18,236.71, 27,355.07 and 14,082.79 is: 21,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.71 : 27,355.07 = 14,082.79 : x
  2. Step 2: Convert to fraction form
    18,236.71/27,355.07 = 14,082.79/x
  3. Step 3: Cross multiply
    18,236.71x = 27,355.07 × 14,082.79
  4. Step 4: Simplify right side
    18,236.71x = 385,235,499.06
  5. Step 5: Solve for x
    x = 385,235,499.06/18,236.71
  6. Step 6: Final answer
    x = 21,124.18

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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.