Home / 12,544.53-18,813.75-4,222.38

Finding the Fourth Proportional to 12,544.53, 18,813.75 and 4,222.38

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Solution

The fourth proportional to 12,544.53, 18,813.75 and 4,222.38 is: 6,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.53 : 18,813.75 = 4,222.38 : x
  2. Step 2: Convert to fraction form
    12,544.53/18,813.75 = 4,222.38/x
  3. Step 3: Cross multiply
    12,544.53x = 18,813.75 × 4,222.38
  4. Step 4: Simplify right side
    12,544.53x = 79,438,801.73
  5. Step 5: Solve for x
    x = 79,438,801.73/12,544.53
  6. Step 6: Final answer
    x = 6,332.55

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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.