Home / 13,268.04-18,309.46-7,299.66

Finding the Fourth Proportional to 13,268.04, 18,309.46 and 7,299.66

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Solution

The fourth proportional to 13,268.04, 18,309.46 and 7,299.66 is: 10,073.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.04 : 18,309.46 = 7,299.66 : x
  2. Step 2: Convert to fraction form
    13,268.04/18,309.46 = 7,299.66/x
  3. Step 3: Cross multiply
    13,268.04x = 18,309.46 × 7,299.66
  4. Step 4: Simplify right side
    13,268.04x = 133,652,832.78
  5. Step 5: Solve for x
    x = 133,652,832.78/13,268.04
  6. Step 6: Final answer
    x = 10,073.29

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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.