Home / 13,236.39-18,268.29-7,932.87

Finding the Fourth Proportional to 13,236.39, 18,268.29 and 7,932.87

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Solution

The fourth proportional to 13,236.39, 18,268.29 and 7,932.87 is: 10,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.39 : 18,268.29 = 7,932.87 : x
  2. Step 2: Convert to fraction form
    13,236.39/18,268.29 = 7,932.87/x
  3. Step 3: Cross multiply
    13,236.39x = 18,268.29 × 7,932.87
  4. Step 4: Simplify right side
    13,236.39x = 144,919,969.69
  5. Step 5: Solve for x
    x = 144,919,969.69/13,236.39
  6. Step 6: Final answer
    x = 10,948.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.