Home / 17,616.12-26,401.38-13,440.72

Finding the Fourth Proportional to 17,616.12, 26,401.38 and 13,440.72

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Solution

The fourth proportional to 17,616.12, 26,401.38 and 13,440.72 is: 20,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616.12 : 26,401.38 = 13,440.72 : x
  2. Step 2: Convert to fraction form
    17,616.12/26,401.38 = 13,440.72/x
  3. Step 3: Cross multiply
    17,616.12x = 26,401.38 × 13,440.72
  4. Step 4: Simplify right side
    17,616.12x = 354,853,556.19
  5. Step 5: Solve for x
    x = 354,853,556.19/17,616.12
  6. Step 6: Final answer
    x = 20,143.68

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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.