Home / 13,610.29-20,410.17-5,289.22

Finding the Fourth Proportional to 13,610.29, 20,410.17 and 5,289.22

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Solution

The fourth proportional to 13,610.29, 20,410.17 and 5,289.22 is: 7,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.29 : 20,410.17 = 5,289.22 : x
  2. Step 2: Convert to fraction form
    13,610.29/20,410.17 = 5,289.22/x
  3. Step 3: Cross multiply
    13,610.29x = 20,410.17 × 5,289.22
  4. Step 4: Simplify right side
    13,610.29x = 107,953,879.37
  5. Step 5: Solve for x
    x = 107,953,879.37/13,610.29
  6. Step 6: Final answer
    x = 7,931.78

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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.