Home / 13,868.23-20,799.28-4,005.36

Finding the Fourth Proportional to 13,868.23, 20,799.28 and 4,005.36

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Solution

The fourth proportional to 13,868.23, 20,799.28 and 4,005.36 is: 6,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.23 : 20,799.28 = 4,005.36 : x
  2. Step 2: Convert to fraction form
    13,868.23/20,799.28 = 4,005.36/x
  3. Step 3: Cross multiply
    13,868.23x = 20,799.28 × 4,005.36
  4. Step 4: Simplify right side
    13,868.23x = 83,308,604.14
  5. Step 5: Solve for x
    x = 83,308,604.14/13,868.23
  6. Step 6: Final answer
    x = 6,007.15

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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.