Home / 13,719.08-20,580.87-4,832.12

Finding the Fourth Proportional to 13,719.08, 20,580.87 and 4,832.12

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Solution

The fourth proportional to 13,719.08, 20,580.87 and 4,832.12 is: 7,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719.08 : 20,580.87 = 4,832.12 : x
  2. Step 2: Convert to fraction form
    13,719.08/20,580.87 = 4,832.12/x
  3. Step 3: Cross multiply
    13,719.08x = 20,580.87 × 4,832.12
  4. Step 4: Simplify right side
    13,719.08x = 99,449,130.64
  5. Step 5: Solve for x
    x = 99,449,130.64/13,719.08
  6. Step 6: Final answer
    x = 7,248.97

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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.