Home / 43,317.30-64,982.56-11,728.38

Finding the Fourth Proportional to 43,317.30, 64,982.56 and 11,728.38

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Solution

The fourth proportional to 43,317.30, 64,982.56 and 11,728.38 is: 17,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,317.30 : 64,982.56 = 11,728.38 : x
  2. Step 2: Convert to fraction form
    43,317.30/64,982.56 = 11,728.38/x
  3. Step 3: Cross multiply
    43,317.30x = 64,982.56 × 11,728.38
  4. Step 4: Simplify right side
    43,317.30x = 762,140,157.05
  5. Step 5: Solve for x
    x = 762,140,157.05/43,317.30
  6. Step 6: Final answer
    x = 17,594.36

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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.