Home / 14,253.32-21,380.46-3,865.32

Finding the Fourth Proportional to 14,253.32, 21,380.46 and 3,865.32

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Solution

The fourth proportional to 14,253.32, 21,380.46 and 3,865.32 is: 5,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.32 : 21,380.46 = 3,865.32 : x
  2. Step 2: Convert to fraction form
    14,253.32/21,380.46 = 3,865.32/x
  3. Step 3: Cross multiply
    14,253.32x = 21,380.46 × 3,865.32
  4. Step 4: Simplify right side
    14,253.32x = 82,642,319.65
  5. Step 5: Solve for x
    x = 82,642,319.65/14,253.32
  6. Step 6: Final answer
    x = 5,798.11

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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.