Home / 13,602.26-20,403.48-5,283.20

Finding the Fourth Proportional to 13,602.26, 20,403.48 and 5,283.20

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Solution

The fourth proportional to 13,602.26, 20,403.48 and 5,283.20 is: 7,924.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,602.26 : 20,403.48 = 5,283.20 : x
  2. Step 2: Convert to fraction form
    13,602.26/20,403.48 = 5,283.20/x
  3. Step 3: Cross multiply
    13,602.26x = 20,403.48 × 5,283.20
  4. Step 4: Simplify right side
    13,602.26x = 107,795,665.54
  5. Step 5: Solve for x
    x = 107,795,665.54/13,602.26
  6. Step 6: Final answer
    x = 7,924.83

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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.