Home / 22,261.91-33,405.15-12,406.74

Finding the Fourth Proportional to 22,261.91, 33,405.15 and 12,406.74

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Solution

The fourth proportional to 22,261.91, 33,405.15 and 12,406.74 is: 18,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,261.91 : 33,405.15 = 12,406.74 : x
  2. Step 2: Convert to fraction form
    22,261.91/33,405.15 = 12,406.74/x
  3. Step 3: Cross multiply
    22,261.91x = 33,405.15 × 12,406.74
  4. Step 4: Simplify right side
    22,261.91x = 414,448,931.97
  5. Step 5: Solve for x
    x = 414,448,931.97/22,261.91
  6. Step 6: Final answer
    x = 18,616.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.