Home / 9,787.80-14,673.87-5,105.46

Finding the Fourth Proportional to 9,787.80, 14,673.87 and 5,105.46

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Solution

The fourth proportional to 9,787.80, 14,673.87 and 5,105.46 is: 7,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.80 : 14,673.87 = 5,105.46 : x
  2. Step 2: Convert to fraction form
    9,787.80/14,673.87 = 5,105.46/x
  3. Step 3: Cross multiply
    9,787.80x = 14,673.87 × 5,105.46
  4. Step 4: Simplify right side
    9,787.80x = 74,916,856.33
  5. Step 5: Solve for x
    x = 74,916,856.33/9,787.80
  6. Step 6: Final answer
    x = 7,654.11

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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.