Home / 17,821.16-26,758.72-14,153.12

Finding the Fourth Proportional to 17,821.16, 26,758.72 and 14,153.12

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Solution

The fourth proportional to 17,821.16, 26,758.72 and 14,153.12 is: 21,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,821.16 : 26,758.72 = 14,153.12 : x
  2. Step 2: Convert to fraction form
    17,821.16/26,758.72 = 14,153.12/x
  3. Step 3: Cross multiply
    17,821.16x = 26,758.72 × 14,153.12
  4. Step 4: Simplify right side
    17,821.16x = 378,719,375.21
  5. Step 5: Solve for x
    x = 378,719,375.21/17,821.16
  6. Step 6: Final answer
    x = 21,251.11

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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.