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Finding the Fourth Proportional to 22,152.42, 33,230.43 and 6,570

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Solution

The fourth proportional to 22,152.42, 33,230.43 and 6,570 is: 9,855.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.42 : 33,230.43 = 6,570 : x
  2. Step 2: Convert to fraction form
    22,152.42/33,230.43 = 6,570/x
  3. Step 3: Cross multiply
    22,152.42x = 33,230.43 × 6,570
  4. Step 4: Simplify right side
    22,152.42x = 218,323,925.10
  5. Step 5: Solve for x
    x = 218,323,925.10/22,152.42
  6. Step 6: Final answer
    x = 9,855.53

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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.