Home / 9,787.11-14,654.53-5,620.87

Finding the Fourth Proportional to 9,787.11, 14,654.53 and 5,620.87

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Solution

The fourth proportional to 9,787.11, 14,654.53 and 5,620.87 is: 8,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.11 : 14,654.53 = 5,620.87 : x
  2. Step 2: Convert to fraction form
    9,787.11/14,654.53 = 5,620.87/x
  3. Step 3: Cross multiply
    9,787.11x = 14,654.53 × 5,620.87
  4. Step 4: Simplify right side
    9,787.11x = 82,371,208.04
  5. Step 5: Solve for x
    x = 82,371,208.04/9,787.11
  6. Step 6: Final answer
    x = 8,416.30

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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.