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Finding the Fourth Proportional to 22,251.51, 33,376.05 and 5,611.55

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Solution

The fourth proportional to 22,251.51, 33,376.05 and 5,611.55 is: 8,417.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,251.51 : 33,376.05 = 5,611.55 : x
  2. Step 2: Convert to fraction form
    22,251.51/33,376.05 = 5,611.55/x
  3. Step 3: Cross multiply
    22,251.51x = 33,376.05 × 5,611.55
  4. Step 4: Simplify right side
    22,251.51x = 187,291,206.50
  5. Step 5: Solve for x
    x = 187,291,206.50/22,251.51
  6. Step 6: Final answer
    x = 8,417.01

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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.