Home / 13,340.33-20,004.22-7,795.28

Finding the Fourth Proportional to 13,340.33, 20,004.22 and 7,795.28

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Solution

The fourth proportional to 13,340.33, 20,004.22 and 7,795.28 is: 11,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.33 : 20,004.22 = 7,795.28 : x
  2. Step 2: Convert to fraction form
    13,340.33/20,004.22 = 7,795.28/x
  3. Step 3: Cross multiply
    13,340.33x = 20,004.22 × 7,795.28
  4. Step 4: Simplify right side
    13,340.33x = 155,938,357.08
  5. Step 5: Solve for x
    x = 155,938,357.08/13,340.33
  6. Step 6: Final answer
    x = 11,689.24

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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.