Home / 13,578.58-20,355.25-5,264.02

Finding the Fourth Proportional to 13,578.58, 20,355.25 and 5,264.02

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Solution

The fourth proportional to 13,578.58, 20,355.25 and 5,264.02 is: 7,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578.58 : 20,355.25 = 5,264.02 : x
  2. Step 2: Convert to fraction form
    13,578.58/20,355.25 = 5,264.02/x
  3. Step 3: Cross multiply
    13,578.58x = 20,355.25 × 5,264.02
  4. Step 4: Simplify right side
    13,578.58x = 107,150,443.11
  5. Step 5: Solve for x
    x = 107,150,443.11/13,578.58
  6. Step 6: Final answer
    x = 7,891.14

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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.