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Finding the Fourth Proportional to 22,666.48, 33,999.72 and 7,084.24

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Solution

The fourth proportional to 22,666.48, 33,999.72 and 7,084.24 is: 10,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.48 : 33,999.72 = 7,084.24 : x
  2. Step 2: Convert to fraction form
    22,666.48/33,999.72 = 7,084.24/x
  3. Step 3: Cross multiply
    22,666.48x = 33,999.72 × 7,084.24
  4. Step 4: Simplify right side
    22,666.48x = 240,862,176.41
  5. Step 5: Solve for x
    x = 240,862,176.41/22,666.48
  6. Step 6: Final answer
    x = 10,626.36

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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.