Home / 13,427.96-20,144.82-5,632.28

Finding the Fourth Proportional to 13,427.96, 20,144.82 and 5,632.28

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Solution

The fourth proportional to 13,427.96, 20,144.82 and 5,632.28 is: 8,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.96 : 20,144.82 = 5,632.28 : x
  2. Step 2: Convert to fraction form
    13,427.96/20,144.82 = 5,632.28/x
  3. Step 3: Cross multiply
    13,427.96x = 20,144.82 × 5,632.28
  4. Step 4: Simplify right side
    13,427.96x = 113,461,266.79
  5. Step 5: Solve for x
    x = 113,461,266.79/13,427.96
  6. Step 6: Final answer
    x = 8,449.63

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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.