Home / 13,875.44-20,787.24-10,790.96

Finding the Fourth Proportional to 13,875.44, 20,787.24 and 10,790.96

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Solution

The fourth proportional to 13,875.44, 20,787.24 and 10,790.96 is: 16,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.44 : 20,787.24 = 10,790.96 : x
  2. Step 2: Convert to fraction form
    13,875.44/20,787.24 = 10,790.96/x
  3. Step 3: Cross multiply
    13,875.44x = 20,787.24 × 10,790.96
  4. Step 4: Simplify right side
    13,875.44x = 224,314,275.35
  5. Step 5: Solve for x
    x = 224,314,275.35/13,875.44
  6. Step 6: Final answer
    x = 16,166.28

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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.