Home / 11,009.04-16,509.96-5,161.92

Finding the Fourth Proportional to 11,009.04, 16,509.96 and 5,161.92

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Solution

The fourth proportional to 11,009.04, 16,509.96 and 5,161.92 is: 7,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.04 : 16,509.96 = 5,161.92 : x
  2. Step 2: Convert to fraction form
    11,009.04/16,509.96 = 5,161.92/x
  3. Step 3: Cross multiply
    11,009.04x = 16,509.96 × 5,161.92
  4. Step 4: Simplify right side
    11,009.04x = 85,223,092.72
  5. Step 5: Solve for x
    x = 85,223,092.72/11,009.04
  6. Step 6: Final answer
    x = 7,741.19

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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.