Home / 13,672.37-20,508.54-10,556.92

Finding the Fourth Proportional to 13,672.37, 20,508.54 and 10,556.92

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Solution

The fourth proportional to 13,672.37, 20,508.54 and 10,556.92 is: 15,835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672.37 : 20,508.54 = 10,556.92 : x
  2. Step 2: Convert to fraction form
    13,672.37/20,508.54 = 10,556.92/x
  3. Step 3: Cross multiply
    13,672.37x = 20,508.54 × 10,556.92
  4. Step 4: Simplify right side
    13,672.37x = 216,507,016.10
  5. Step 5: Solve for x
    x = 216,507,016.10/13,672.37
  6. Step 6: Final answer
    x = 15,835.37

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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.