Home / 18,704.64-25,794.39-12,586.13

Finding the Fourth Proportional to 18,704.64, 25,794.39 and 12,586.13

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Solution

The fourth proportional to 18,704.64, 25,794.39 and 12,586.13 is: 17,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.64 : 25,794.39 = 12,586.13 : x
  2. Step 2: Convert to fraction form
    18,704.64/25,794.39 = 12,586.13/x
  3. Step 3: Cross multiply
    18,704.64x = 25,794.39 × 12,586.13
  4. Step 4: Simplify right side
    18,704.64x = 324,651,545.81
  5. Step 5: Solve for x
    x = 324,651,545.81/18,704.64
  6. Step 6: Final answer
    x = 17,356.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.