Home / 12,568.74-18,852.51-4,249.08

Finding the Fourth Proportional to 12,568.74, 18,852.51 and 4,249.08

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Solution

The fourth proportional to 12,568.74, 18,852.51 and 4,249.08 is: 6,373.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.74 : 18,852.51 = 4,249.08 : x
  2. Step 2: Convert to fraction form
    12,568.74/18,852.51 = 4,249.08/x
  3. Step 3: Cross multiply
    12,568.74x = 18,852.51 × 4,249.08
  4. Step 4: Simplify right side
    12,568.74x = 80,105,823.19
  5. Step 5: Solve for x
    x = 80,105,823.19/12,568.74
  6. Step 6: Final answer
    x = 6,373.42

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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.