Home / 13,719.83-18,933.17-7,753.41

Finding the Fourth Proportional to 13,719.83, 18,933.17 and 7,753.41

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Solution

The fourth proportional to 13,719.83, 18,933.17 and 7,753.41 is: 10,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719.83 : 18,933.17 = 7,753.41 : x
  2. Step 2: Convert to fraction form
    13,719.83/18,933.17 = 7,753.41/x
  3. Step 3: Cross multiply
    13,719.83x = 18,933.17 × 7,753.41
  4. Step 4: Simplify right side
    13,719.83x = 146,796,590.84
  5. Step 5: Solve for x
    x = 146,796,590.84/13,719.83
  6. Step 6: Final answer
    x = 10,699.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.