Home / 12,327.80-17,010.14-7,289.49

Finding the Fourth Proportional to 12,327.80, 17,010.14 and 7,289.49

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Solution

The fourth proportional to 12,327.80, 17,010.14 and 7,289.49 is: 10,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.80 : 17,010.14 = 7,289.49 : x
  2. Step 2: Convert to fraction form
    12,327.80/17,010.14 = 7,289.49/x
  3. Step 3: Cross multiply
    12,327.80x = 17,010.14 × 7,289.49
  4. Step 4: Simplify right side
    12,327.80x = 123,995,208.98
  5. Step 5: Solve for x
    x = 123,995,208.98/12,327.80
  6. Step 6: Final answer
    x = 10,058.18

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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.