Home / 13,632.31-20,415.65-9,236.44

Finding the Fourth Proportional to 13,632.31, 20,415.65 and 9,236.44

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Solution

The fourth proportional to 13,632.31, 20,415.65 and 9,236.44 is: 13,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.31 : 20,415.65 = 9,236.44 : x
  2. Step 2: Convert to fraction form
    13,632.31/20,415.65 = 9,236.44/x
  3. Step 3: Cross multiply
    13,632.31x = 20,415.65 × 9,236.44
  4. Step 4: Simplify right side
    13,632.31x = 188,567,926.29
  5. Step 5: Solve for x
    x = 188,567,926.29/13,632.31
  6. Step 6: Final answer
    x = 13,832.43

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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.