Home / 13,237.82-18,268.28-7,270.04

Finding the Fourth Proportional to 13,237.82, 18,268.28 and 7,270.04

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Solution

The fourth proportional to 13,237.82, 18,268.28 and 7,270.04 is: 10,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.82 : 18,268.28 = 7,270.04 : x
  2. Step 2: Convert to fraction form
    13,237.82/18,268.28 = 7,270.04/x
  3. Step 3: Cross multiply
    13,237.82x = 18,268.28 × 7,270.04
  4. Step 4: Simplify right side
    13,237.82x = 132,811,126.33
  5. Step 5: Solve for x
    x = 132,811,126.33/13,237.82
  6. Step 6: Final answer
    x = 10,032.70

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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.