Home / 12,943.06-17,862.05-7,279.59

Finding the Fourth Proportional to 12,943.06, 17,862.05 and 7,279.59

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Solution

The fourth proportional to 12,943.06, 17,862.05 and 7,279.59 is: 10,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.06 : 17,862.05 = 7,279.59 : x
  2. Step 2: Convert to fraction form
    12,943.06/17,862.05 = 7,279.59/x
  3. Step 3: Cross multiply
    12,943.06x = 17,862.05 × 7,279.59
  4. Step 4: Simplify right side
    12,943.06x = 130,028,400.56
  5. Step 5: Solve for x
    x = 130,028,400.56/12,943.06
  6. Step 6: Final answer
    x = 10,046.19

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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.