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Finding the Fourth Proportional to 14,982.84, 22,487.22 and 5,755.32

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Solution

The fourth proportional to 14,982.84, 22,487.22 and 5,755.32 is: 8,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.84 : 22,487.22 = 5,755.32 : x
  2. Step 2: Convert to fraction form
    14,982.84/22,487.22 = 5,755.32/x
  3. Step 3: Cross multiply
    14,982.84x = 22,487.22 × 5,755.32
  4. Step 4: Simplify right side
    14,982.84x = 129,421,147.01
  5. Step 5: Solve for x
    x = 129,421,147.01/14,982.84
  6. Step 6: Final answer
    x = 8,637.96

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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.