Home / 11,182.40-16,775.40-3,787.31

Finding the Fourth Proportional to 11,182.40, 16,775.40 and 3,787.31

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Solution

The fourth proportional to 11,182.40, 16,775.40 and 3,787.31 is: 5,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.40 : 16,775.40 = 3,787.31 : x
  2. Step 2: Convert to fraction form
    11,182.40/16,775.40 = 3,787.31/x
  3. Step 3: Cross multiply
    11,182.40x = 16,775.40 × 3,787.31
  4. Step 4: Simplify right side
    11,182.40x = 63,533,640.17
  5. Step 5: Solve for x
    x = 63,533,640.17/11,182.40
  6. Step 6: Final answer
    x = 5,681.57

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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.