Home / 13,350.08-20,019.04-7,108.49

Finding the Fourth Proportional to 13,350.08, 20,019.04 and 7,108.49

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Solution

The fourth proportional to 13,350.08, 20,019.04 and 7,108.49 is: 10,659.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.08 : 20,019.04 = 7,108.49 : x
  2. Step 2: Convert to fraction form
    13,350.08/20,019.04 = 7,108.49/x
  3. Step 3: Cross multiply
    13,350.08x = 20,019.04 × 7,108.49
  4. Step 4: Simplify right side
    13,350.08x = 142,305,027.78
  5. Step 5: Solve for x
    x = 142,305,027.78/13,350.08
  6. Step 6: Final answer
    x = 10,659.49

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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.