Home / 18,344.28-27,516.84-10,389.96

Finding the Fourth Proportional to 18,344.28, 27,516.84 and 10,389.96

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Solution

The fourth proportional to 18,344.28, 27,516.84 and 10,389.96 is: 15,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.28 : 27,516.84 = 10,389.96 : x
  2. Step 2: Convert to fraction form
    18,344.28/27,516.84 = 10,389.96/x
  3. Step 3: Cross multiply
    18,344.28x = 27,516.84 × 10,389.96
  4. Step 4: Simplify right side
    18,344.28x = 285,898,866.93
  5. Step 5: Solve for x
    x = 285,898,866.93/18,344.28
  6. Step 6: Final answer
    x = 15,585.18

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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.