Home / 22,392.22-30,901.26-12,320.44

Finding the Fourth Proportional to 22,392.22, 30,901.26 and 12,320.44

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Solution

The fourth proportional to 22,392.22, 30,901.26 and 12,320.44 is: 17,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,392.22 : 30,901.26 = 12,320.44 : x
  2. Step 2: Convert to fraction form
    22,392.22/30,901.26 = 12,320.44/x
  3. Step 3: Cross multiply
    22,392.22x = 30,901.26 × 12,320.44
  4. Step 4: Simplify right side
    22,392.22x = 380,717,119.75
  5. Step 5: Solve for x
    x = 380,717,119.75/22,392.22
  6. Step 6: Final answer
    x = 17,002.21

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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.