Home / 22,262.19-30,721.83-12,191.25

Finding the Fourth Proportional to 22,262.19, 30,721.83 and 12,191.25

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Solution

The fourth proportional to 22,262.19, 30,721.83 and 12,191.25 is: 16,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.19 : 30,721.83 = 12,191.25 : x
  2. Step 2: Convert to fraction form
    22,262.19/30,721.83 = 12,191.25/x
  3. Step 3: Cross multiply
    22,262.19x = 30,721.83 × 12,191.25
  4. Step 4: Simplify right side
    22,262.19x = 374,537,579.48
  5. Step 5: Solve for x
    x = 374,537,579.48/22,262.19
  6. Step 6: Final answer
    x = 16,823.94

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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.