Home / 13,557.25-20,320.26-5,233.57

Finding the Fourth Proportional to 13,557.25, 20,320.26 and 5,233.57

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Solution

The fourth proportional to 13,557.25, 20,320.26 and 5,233.57 is: 7,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.25 : 20,320.26 = 5,233.57 : x
  2. Step 2: Convert to fraction form
    13,557.25/20,320.26 = 5,233.57/x
  3. Step 3: Cross multiply
    13,557.25x = 20,320.26 × 5,233.57
  4. Step 4: Simplify right side
    13,557.25x = 106,347,503.13
  5. Step 5: Solve for x
    x = 106,347,503.13/13,557.25
  6. Step 6: Final answer
    x = 7,844.33

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1.5x scale

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.