Home / 13,350.60-20,004.30-11,147.40

Finding the Fourth Proportional to 13,350.60, 20,004.30 and 11,147.40

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Solution

The fourth proportional to 13,350.60, 20,004.30 and 11,147.40 is: 16,703.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.60 : 20,004.30 = 11,147.40 : x
  2. Step 2: Convert to fraction form
    13,350.60/20,004.30 = 11,147.40/x
  3. Step 3: Cross multiply
    13,350.60x = 20,004.30 × 11,147.40
  4. Step 4: Simplify right side
    13,350.60x = 222,995,933.82
  5. Step 5: Solve for x
    x = 222,995,933.82/13,350.60
  6. Step 6: Final answer
    x = 16,703.06

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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.