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Finding the Fourth Proportional to 22,655.54, 33,962.36 and 8,611.36

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Solution

The fourth proportional to 22,655.54, 33,962.36 and 8,611.36 is: 12,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655.54 : 33,962.36 = 8,611.36 : x
  2. Step 2: Convert to fraction form
    22,655.54/33,962.36 = 8,611.36/x
  3. Step 3: Cross multiply
    22,655.54x = 33,962.36 × 8,611.36
  4. Step 4: Simplify right side
    22,655.54x = 292,461,980.45
  5. Step 5: Solve for x
    x = 292,461,980.45/22,655.54
  6. Step 6: Final answer
    x = 12,909.07

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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.