Home / 17,617.12-26,402.88-13,441.72

Finding the Fourth Proportional to 17,617.12, 26,402.88 and 13,441.72

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Solution

The fourth proportional to 17,617.12, 26,402.88 and 13,441.72 is: 20,145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.12 : 26,402.88 = 13,441.72 : x
  2. Step 2: Convert to fraction form
    17,617.12/26,402.88 = 13,441.72/x
  3. Step 3: Cross multiply
    17,617.12x = 26,402.88 × 13,441.72
  4. Step 4: Simplify right side
    17,617.12x = 354,900,120.15
  5. Step 5: Solve for x
    x = 354,900,120.15/17,617.12
  6. Step 6: Final answer
    x = 20,145.18

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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.