Home / 12,544.23-18,817.08-4,223.55

Finding the Fourth Proportional to 12,544.23, 18,817.08 and 4,223.55

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Solution

The fourth proportional to 12,544.23, 18,817.08 and 4,223.55 is: 6,335.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.23 : 18,817.08 = 4,223.55 : x
  2. Step 2: Convert to fraction form
    12,544.23/18,817.08 = 4,223.55/x
  3. Step 3: Cross multiply
    12,544.23x = 18,817.08 × 4,223.55
  4. Step 4: Simplify right side
    12,544.23x = 79,474,878.23
  5. Step 5: Solve for x
    x = 79,474,878.23/12,544.23
  6. Step 6: Final answer
    x = 6,335.57

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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.