Home / 13,236.67-18,266.01-7,268.43

Finding the Fourth Proportional to 13,236.67, 18,266.01 and 7,268.43

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Solution

The fourth proportional to 13,236.67, 18,266.01 and 7,268.43 is: 10,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.67 : 18,266.01 = 7,268.43 : x
  2. Step 2: Convert to fraction form
    13,236.67/18,266.01 = 7,268.43/x
  3. Step 3: Cross multiply
    13,236.67x = 18,266.01 × 7,268.43
  4. Step 4: Simplify right side
    13,236.67x = 132,765,256.31
  5. Step 5: Solve for x
    x = 132,765,256.31/13,236.67
  6. Step 6: Final answer
    x = 10,030.11

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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.