Home / 10,058.09-15,083.28-3,392.80

Finding the Fourth Proportional to 10,058.09, 15,083.28 and 3,392.80

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Solution

The fourth proportional to 10,058.09, 15,083.28 and 3,392.80 is: 5,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,058.09 : 15,083.28 = 3,392.80 : x
  2. Step 2: Convert to fraction form
    10,058.09/15,083.28 = 3,392.80/x
  3. Step 3: Cross multiply
    10,058.09x = 15,083.28 × 3,392.80
  4. Step 4: Simplify right side
    10,058.09x = 51,174,514.68
  5. Step 5: Solve for x
    x = 51,174,514.68/10,058.09
  6. Step 6: Final answer
    x = 5,087.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.