Home / 18,170.26-27,199.20-15,513.46

Finding the Fourth Proportional to 18,170.26, 27,199.20 and 15,513.46

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Solution

The fourth proportional to 18,170.26, 27,199.20 and 15,513.46 is: 23,222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.26 : 27,199.20 = 15,513.46 : x
  2. Step 2: Convert to fraction form
    18,170.26/27,199.20 = 15,513.46/x
  3. Step 3: Cross multiply
    18,170.26x = 27,199.20 × 15,513.46
  4. Step 4: Simplify right side
    18,170.26x = 421,953,701.23
  5. Step 5: Solve for x
    x = 421,953,701.23/18,170.26
  6. Step 6: Final answer
    x = 23,222.22

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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.