Home / 13,350.83-20,020.16-7,109.24

Finding the Fourth Proportional to 13,350.83, 20,020.16 and 7,109.24

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Solution

The fourth proportional to 13,350.83, 20,020.16 and 7,109.24 is: 10,660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.83 : 20,020.16 = 7,109.24 : x
  2. Step 2: Convert to fraction form
    13,350.83/20,020.16 = 7,109.24/x
  3. Step 3: Cross multiply
    13,350.83x = 20,020.16 × 7,109.24
  4. Step 4: Simplify right side
    13,350.83x = 142,328,039.95
  5. Step 5: Solve for x
    x = 142,328,039.95/13,350.83
  6. Step 6: Final answer
    x = 10,660.62

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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.