Home / 10,355.80-15,534.60-3,239.56

Finding the Fourth Proportional to 10,355.80, 15,534.60 and 3,239.56

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Solution

The fourth proportional to 10,355.80, 15,534.60 and 3,239.56 is: 4,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.80 : 15,534.60 = 3,239.56 : x
  2. Step 2: Convert to fraction form
    10,355.80/15,534.60 = 3,239.56/x
  3. Step 3: Cross multiply
    10,355.80x = 15,534.60 × 3,239.56
  4. Step 4: Simplify right side
    10,355.80x = 50,325,268.78
  5. Step 5: Solve for x
    x = 50,325,268.78/10,355.80
  6. Step 6: Final answer
    x = 4,859.62

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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.