Home / 13,576.24-20,327.40-10,279.36

Finding the Fourth Proportional to 13,576.24, 20,327.40 and 10,279.36

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Solution

The fourth proportional to 13,576.24, 20,327.40 and 10,279.36 is: 15,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.24 : 20,327.40 = 10,279.36 : x
  2. Step 2: Convert to fraction form
    13,576.24/20,327.40 = 10,279.36/x
  3. Step 3: Cross multiply
    13,576.24x = 20,327.40 × 10,279.36
  4. Step 4: Simplify right side
    13,576.24x = 208,952,662.46
  5. Step 5: Solve for x
    x = 208,952,662.46/13,576.24
  6. Step 6: Final answer
    x = 15,391.06

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1.5x scale

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.