Home / 13,301.24-19,933.39-6,719.72

Finding the Fourth Proportional to 13,301.24, 19,933.39 and 6,719.72

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Solution

The fourth proportional to 13,301.24, 19,933.39 and 6,719.72 is: 10,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.24 : 19,933.39 = 6,719.72 : x
  2. Step 2: Convert to fraction form
    13,301.24/19,933.39 = 6,719.72/x
  3. Step 3: Cross multiply
    13,301.24x = 19,933.39 × 6,719.72
  4. Step 4: Simplify right side
    13,301.24x = 133,946,832.48
  5. Step 5: Solve for x
    x = 133,946,832.48/13,301.24
  6. Step 6: Final answer
    x = 10,070.26

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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.