Home / 13,865.30-20,801.24-4,505.32

Finding the Fourth Proportional to 13,865.30, 20,801.24 and 4,505.32

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Solution

The fourth proportional to 13,865.30, 20,801.24 and 4,505.32 is: 6,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.30 : 20,801.24 = 4,505.32 : x
  2. Step 2: Convert to fraction form
    13,865.30/20,801.24 = 4,505.32/x
  3. Step 3: Cross multiply
    13,865.30x = 20,801.24 × 4,505.32
  4. Step 4: Simplify right side
    13,865.30x = 93,716,262.97
  5. Step 5: Solve for x
    x = 93,716,262.97/13,865.30
  6. Step 6: Final answer
    x = 6,759.05

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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.