Home / 13,357.47-20,028.81-5,465.53

Finding the Fourth Proportional to 13,357.47, 20,028.81 and 5,465.53

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Solution

The fourth proportional to 13,357.47, 20,028.81 and 5,465.53 is: 8,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.47 : 20,028.81 = 5,465.53 : x
  2. Step 2: Convert to fraction form
    13,357.47/20,028.81 = 5,465.53/x
  3. Step 3: Cross multiply
    13,357.47x = 20,028.81 × 5,465.53
  4. Step 4: Simplify right side
    13,357.47x = 109,468,107.45
  5. Step 5: Solve for x
    x = 109,468,107.45/13,357.47
  6. Step 6: Final answer
    x = 8,195.27

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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.