Home / 12,555.14-17,326.31-7,250.18

Finding the Fourth Proportional to 12,555.14, 17,326.31 and 7,250.18

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Solution

The fourth proportional to 12,555.14, 17,326.31 and 7,250.18 is: 10,005.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.14 : 17,326.31 = 7,250.18 : x
  2. Step 2: Convert to fraction form
    12,555.14/17,326.31 = 7,250.18/x
  3. Step 3: Cross multiply
    12,555.14x = 17,326.31 × 7,250.18
  4. Step 4: Simplify right side
    12,555.14x = 125,618,743.35
  5. Step 5: Solve for x
    x = 125,618,743.35/12,555.14
  6. Step 6: Final answer
    x = 10,005.37

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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.