Home / 10,363.36-15,539.76-3,787.84

Finding the Fourth Proportional to 10,363.36, 15,539.76 and 3,787.84

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Solution

The fourth proportional to 10,363.36, 15,539.76 and 3,787.84 is: 5,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.36 : 15,539.76 = 3,787.84 : x
  2. Step 2: Convert to fraction form
    10,363.36/15,539.76 = 3,787.84/x
  3. Step 3: Cross multiply
    10,363.36x = 15,539.76 × 3,787.84
  4. Step 4: Simplify right side
    10,363.36x = 58,862,124.52
  5. Step 5: Solve for x
    x = 58,862,124.52/10,363.36
  6. Step 6: Final answer
    x = 5,679.83

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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.