Home / 18,344.13-25,312.38-10,786.02

Finding the Fourth Proportional to 18,344.13, 25,312.38 and 10,786.02

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Solution

The fourth proportional to 18,344.13, 25,312.38 and 10,786.02 is: 14,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.13 : 25,312.38 = 10,786.02 : x
  2. Step 2: Convert to fraction form
    18,344.13/25,312.38 = 10,786.02/x
  3. Step 3: Cross multiply
    18,344.13x = 25,312.38 × 10,786.02
  4. Step 4: Simplify right side
    18,344.13x = 273,019,836.93
  5. Step 5: Solve for x
    x = 273,019,836.93/18,344.13
  6. Step 6: Final answer
    x = 14,883.23

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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.