Home / 13,723.02-20,579.36-5,398.48

Finding the Fourth Proportional to 13,723.02, 20,579.36 and 5,398.48

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Solution

The fourth proportional to 13,723.02, 20,579.36 and 5,398.48 is: 8,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.02 : 20,579.36 = 5,398.48 : x
  2. Step 2: Convert to fraction form
    13,723.02/20,579.36 = 5,398.48/x
  3. Step 3: Cross multiply
    13,723.02x = 20,579.36 × 5,398.48
  4. Step 4: Simplify right side
    13,723.02x = 111,097,236.38
  5. Step 5: Solve for x
    x = 111,097,236.38/13,723.02
  6. Step 6: Final answer
    x = 8,095.69

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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.