Home / 12,482.25-18,708.33-4,578.39

Finding the Fourth Proportional to 12,482.25, 18,708.33 and 4,578.39

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Solution

The fourth proportional to 12,482.25, 18,708.33 and 4,578.39 is: 6,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.25 : 18,708.33 = 4,578.39 : x
  2. Step 2: Convert to fraction form
    12,482.25/18,708.33 = 4,578.39/x
  3. Step 3: Cross multiply
    12,482.25x = 18,708.33 × 4,578.39
  4. Step 4: Simplify right side
    12,482.25x = 85,654,030.99
  5. Step 5: Solve for x
    x = 85,654,030.99/12,482.25
  6. Step 6: Final answer
    x = 6,862.07

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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.