Home / 13,579.08-20,355.99-5,264.52

Finding the Fourth Proportional to 13,579.08, 20,355.99 and 5,264.52

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Solution

The fourth proportional to 13,579.08, 20,355.99 and 5,264.52 is: 7,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579.08 : 20,355.99 = 5,264.52 : x
  2. Step 2: Convert to fraction form
    13,579.08/20,355.99 = 5,264.52/x
  3. Step 3: Cross multiply
    13,579.08x = 20,355.99 × 5,264.52
  4. Step 4: Simplify right side
    13,579.08x = 107,164,516.47
  5. Step 5: Solve for x
    x = 107,164,516.47/13,579.08
  6. Step 6: Final answer
    x = 7,891.88

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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.