Home / 13,403.32-20,105.03-5,606.66

Finding the Fourth Proportional to 13,403.32, 20,105.03 and 5,606.66

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Solution

The fourth proportional to 13,403.32, 20,105.03 and 5,606.66 is: 8,410.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.32 : 20,105.03 = 5,606.66 : x
  2. Step 2: Convert to fraction form
    13,403.32/20,105.03 = 5,606.66/x
  3. Step 3: Cross multiply
    13,403.32x = 20,105.03 × 5,606.66
  4. Step 4: Simplify right side
    13,403.32x = 112,722,067.50
  5. Step 5: Solve for x
    x = 112,722,067.50/13,403.32
  6. Step 6: Final answer
    x = 8,410.01

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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.