Home / 12,552.89-18,817.81-4,339.13

Finding the Fourth Proportional to 12,552.89, 18,817.81 and 4,339.13

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Solution

The fourth proportional to 12,552.89, 18,817.81 and 4,339.13 is: 6,504.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.89 : 18,817.81 = 4,339.13 : x
  2. Step 2: Convert to fraction form
    12,552.89/18,817.81 = 4,339.13/x
  3. Step 3: Cross multiply
    12,552.89x = 18,817.81 × 4,339.13
  4. Step 4: Simplify right side
    12,552.89x = 81,652,923.91
  5. Step 5: Solve for x
    x = 81,652,923.91/12,552.89
  6. Step 6: Final answer
    x = 6,504.71

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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.