Home / 18,440.19-27,659.57-5,292.57

Finding the Fourth Proportional to 18,440.19, 27,659.57 and 5,292.57

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Solution

The fourth proportional to 18,440.19, 27,659.57 and 5,292.57 is: 7,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.19 : 27,659.57 = 5,292.57 : x
  2. Step 2: Convert to fraction form
    18,440.19/27,659.57 = 5,292.57/x
  3. Step 3: Cross multiply
    18,440.19x = 27,659.57 × 5,292.57
  4. Step 4: Simplify right side
    18,440.19x = 146,390,183.93
  5. Step 5: Solve for x
    x = 146,390,183.93/18,440.19
  6. Step 6: Final answer
    x = 7,938.65

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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.