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Finding the Fourth Proportional to 22,275.94, 33,415.54 and 7,484.76

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Solution

The fourth proportional to 22,275.94, 33,415.54 and 7,484.76 is: 11,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.94 : 33,415.54 = 7,484.76 : x
  2. Step 2: Convert to fraction form
    22,275.94/33,415.54 = 7,484.76/x
  3. Step 3: Cross multiply
    22,275.94x = 33,415.54 × 7,484.76
  4. Step 4: Simplify right side
    22,275.94x = 250,107,297.17
  5. Step 5: Solve for x
    x = 250,107,297.17/22,275.94
  6. Step 6: Final answer
    x = 11,227.69

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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.