Home / 12,841.26-17,719.13-7,175.57

Finding the Fourth Proportional to 12,841.26, 17,719.13 and 7,175.57

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Solution

The fourth proportional to 12,841.26, 17,719.13 and 7,175.57 is: 9,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.26 : 17,719.13 = 7,175.57 : x
  2. Step 2: Convert to fraction form
    12,841.26/17,719.13 = 7,175.57/x
  3. Step 3: Cross multiply
    12,841.26x = 17,719.13 × 7,175.57
  4. Step 4: Simplify right side
    12,841.26x = 127,144,733.18
  5. Step 5: Solve for x
    x = 127,144,733.18/12,841.26
  6. Step 6: Final answer
    x = 9,901.27

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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.