Home / 22,184.62-30,615.41-12,113.70

Finding the Fourth Proportional to 22,184.62, 30,615.41 and 12,113.70

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Solution

The fourth proportional to 22,184.62, 30,615.41 and 12,113.70 is: 16,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,184.62 : 30,615.41 = 12,113.70 : x
  2. Step 2: Convert to fraction form
    22,184.62/30,615.41 = 12,113.70/x
  3. Step 3: Cross multiply
    22,184.62x = 30,615.41 × 12,113.70
  4. Step 4: Simplify right side
    22,184.62x = 370,865,922.82
  5. Step 5: Solve for x
    x = 370,865,922.82/22,184.62
  6. Step 6: Final answer
    x = 16,717.25

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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.