Home / 13,268.13-18,309.84-7,299.67

Finding the Fourth Proportional to 13,268.13, 18,309.84 and 7,299.67

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Solution

The fourth proportional to 13,268.13, 18,309.84 and 7,299.67 is: 10,073.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.13 : 18,309.84 = 7,299.67 : x
  2. Step 2: Convert to fraction form
    13,268.13/18,309.84 = 7,299.67/x
  3. Step 3: Cross multiply
    13,268.13x = 18,309.84 × 7,299.67
  4. Step 4: Simplify right side
    13,268.13x = 133,655,725.73
  5. Step 5: Solve for x
    x = 133,655,725.73/13,268.13
  6. Step 6: Final answer
    x = 10,073.44

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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.