Home / 12,754.12-17,595.74-9,404.90

Finding the Fourth Proportional to 12,754.12, 17,595.74 and 9,404.90

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Solution

The fourth proportional to 12,754.12, 17,595.74 and 9,404.90 is: 12,975.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.12 : 17,595.74 = 9,404.90 : x
  2. Step 2: Convert to fraction form
    12,754.12/17,595.74 = 9,404.90/x
  3. Step 3: Cross multiply
    12,754.12x = 17,595.74 × 9,404.90
  4. Step 4: Simplify right side
    12,754.12x = 165,486,175.13
  5. Step 5: Solve for x
    x = 165,486,175.13/12,754.12
  6. Step 6: Final answer
    x = 12,975.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.