Home / 13,236.49-18,266.61-7,268.77

Finding the Fourth Proportional to 13,236.49, 18,266.61 and 7,268.77

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Solution

The fourth proportional to 13,236.49, 18,266.61 and 7,268.77 is: 10,031.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.49 : 18,266.61 = 7,268.77 : x
  2. Step 2: Convert to fraction form
    13,236.49/18,266.61 = 7,268.77/x
  3. Step 3: Cross multiply
    13,236.49x = 18,266.61 × 7,268.77
  4. Step 4: Simplify right side
    13,236.49x = 132,775,786.77
  5. Step 5: Solve for x
    x = 132,775,786.77/13,236.49
  6. Step 6: Final answer
    x = 10,031.04

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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.