Home / 13,250.80-18,282.18-11,009.13

Finding the Fourth Proportional to 13,250.80, 18,282.18 and 11,009.13

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Solution

The fourth proportional to 13,250.80, 18,282.18 and 11,009.13 is: 15,189.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.80 : 18,282.18 = 11,009.13 : x
  2. Step 2: Convert to fraction form
    13,250.80/18,282.18 = 11,009.13/x
  3. Step 3: Cross multiply
    13,250.80x = 18,282.18 × 11,009.13
  4. Step 4: Simplify right side
    13,250.80x = 201,270,896.30
  5. Step 5: Solve for x
    x = 201,270,896.30/13,250.80
  6. Step 6: Final answer
    x = 15,189.34

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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.