Home / 13,386.24-20,079.27-10,467

Finding the Fourth Proportional to 13,386.24, 20,079.27 and 10,467

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Solution

The fourth proportional to 13,386.24, 20,079.27 and 10,467 is: 15,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.24 : 20,079.27 = 10,467 : x
  2. Step 2: Convert to fraction form
    13,386.24/20,079.27 = 10,467/x
  3. Step 3: Cross multiply
    13,386.24x = 20,079.27 × 10,467
  4. Step 4: Simplify right side
    13,386.24x = 210,169,719.09
  5. Step 5: Solve for x
    x = 210,169,719.09/13,386.24
  6. Step 6: Final answer
    x = 15,700.43

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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.