Home / 22,008.39-30,366.90-13,058.80

Finding the Fourth Proportional to 22,008.39, 30,366.90 and 13,058.80

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Solution

The fourth proportional to 22,008.39, 30,366.90 and 13,058.80 is: 18,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.39 : 30,366.90 = 13,058.80 : x
  2. Step 2: Convert to fraction form
    22,008.39/30,366.90 = 13,058.80/x
  3. Step 3: Cross multiply
    22,008.39x = 30,366.90 × 13,058.80
  4. Step 4: Simplify right side
    22,008.39x = 396,555,273.72
  5. Step 5: Solve for x
    x = 396,555,273.72/22,008.39
  6. Step 6: Final answer
    x = 18,018.37

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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.