Home / 17,851.38-26,780.99-6,758.16

Finding the Fourth Proportional to 17,851.38, 26,780.99 and 6,758.16

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Solution

The fourth proportional to 17,851.38, 26,780.99 and 6,758.16 is: 10,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.38 : 26,780.99 = 6,758.16 : x
  2. Step 2: Convert to fraction form
    17,851.38/26,780.99 = 6,758.16/x
  3. Step 3: Cross multiply
    17,851.38x = 26,780.99 × 6,758.16
  4. Step 4: Simplify right side
    17,851.38x = 180,990,215.38
  5. Step 5: Solve for x
    x = 180,990,215.38/17,851.38
  6. Step 6: Final answer
    x = 10,138.72

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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.