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Finding the Fourth Proportional to 14,482.89, 21,724.11 and 4,622.11

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Solution

The fourth proportional to 14,482.89, 21,724.11 and 4,622.11 is: 6,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.89 : 21,724.11 = 4,622.11 : x
  2. Step 2: Convert to fraction form
    14,482.89/21,724.11 = 4,622.11/x
  3. Step 3: Cross multiply
    14,482.89x = 21,724.11 × 4,622.11
  4. Step 4: Simplify right side
    14,482.89x = 100,411,171.76
  5. Step 5: Solve for x
    x = 100,411,171.76/14,482.89
  6. Step 6: Final answer
    x = 6,933.09

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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.