Home / 12,544.81-18,818.12-4,224.82

Finding the Fourth Proportional to 12,544.81, 18,818.12 and 4,224.82

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Solution

The fourth proportional to 12,544.81, 18,818.12 and 4,224.82 is: 6,337.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.81 : 18,818.12 = 4,224.82 : x
  2. Step 2: Convert to fraction form
    12,544.81/18,818.12 = 4,224.82/x
  3. Step 3: Cross multiply
    12,544.81x = 18,818.12 × 4,224.82
  4. Step 4: Simplify right side
    12,544.81x = 79,503,169.74
  5. Step 5: Solve for x
    x = 79,503,169.74/12,544.81
  6. Step 6: Final answer
    x = 6,337.53

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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.