Home / 22,255.90-30,713.51-12,184.18

Finding the Fourth Proportional to 22,255.90, 30,713.51 and 12,184.18

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Solution

The fourth proportional to 22,255.90, 30,713.51 and 12,184.18 is: 16,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.90 : 30,713.51 = 12,184.18 : x
  2. Step 2: Convert to fraction form
    22,255.90/30,713.51 = 12,184.18/x
  3. Step 3: Cross multiply
    22,255.90x = 30,713.51 × 12,184.18
  4. Step 4: Simplify right side
    22,255.90x = 374,218,887.95
  5. Step 5: Solve for x
    x = 374,218,887.95/22,255.90
  6. Step 6: Final answer
    x = 16,814.37

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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.