Home / 13,018.92-19,528.54-3,787.24

Finding the Fourth Proportional to 13,018.92, 19,528.54 and 3,787.24

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Solution

The fourth proportional to 13,018.92, 19,528.54 and 3,787.24 is: 5,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.92 : 19,528.54 = 3,787.24 : x
  2. Step 2: Convert to fraction form
    13,018.92/19,528.54 = 3,787.24/x
  3. Step 3: Cross multiply
    13,018.92x = 19,528.54 × 3,787.24
  4. Step 4: Simplify right side
    13,018.92x = 73,959,267.83
  5. Step 5: Solve for x
    x = 73,959,267.83/13,018.92
  6. Step 6: Final answer
    x = 5,680.91

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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.