Home / 22,035.54-30,418.89-13,085.93

Finding the Fourth Proportional to 22,035.54, 30,418.89 and 13,085.93

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Solution

The fourth proportional to 22,035.54, 30,418.89 and 13,085.93 is: 18,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,035.54 : 30,418.89 = 13,085.93 : x
  2. Step 2: Convert to fraction form
    22,035.54/30,418.89 = 13,085.93/x
  3. Step 3: Cross multiply
    22,035.54x = 30,418.89 × 13,085.93
  4. Step 4: Simplify right side
    22,035.54x = 398,059,480.25
  5. Step 5: Solve for x
    x = 398,059,480.25/22,035.54
  6. Step 6: Final answer
    x = 18,064.43

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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.