Home / 13,557.36-20,320.43-5,233.71

Finding the Fourth Proportional to 13,557.36, 20,320.43 and 5,233.71

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Solution

The fourth proportional to 13,557.36, 20,320.43 and 5,233.71 is: 7,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.36 : 20,320.43 = 5,233.71 : x
  2. Step 2: Convert to fraction form
    13,557.36/20,320.43 = 5,233.71/x
  3. Step 3: Cross multiply
    13,557.36x = 20,320.43 × 5,233.71
  4. Step 4: Simplify right side
    13,557.36x = 106,351,211.53
  5. Step 5: Solve for x
    x = 106,351,211.53/13,557.36
  6. Step 6: Final answer
    x = 7,844.54

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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.