Home / 13,184.25-18,189.98-9,207.56

Finding the Fourth Proportional to 13,184.25, 18,189.98 and 9,207.56

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Solution

The fourth proportional to 13,184.25, 18,189.98 and 9,207.56 is: 12,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.25 : 18,189.98 = 9,207.56 : x
  2. Step 2: Convert to fraction form
    13,184.25/18,189.98 = 9,207.56/x
  3. Step 3: Cross multiply
    13,184.25x = 18,189.98 × 9,207.56
  4. Step 4: Simplify right side
    13,184.25x = 167,485,195.26
  5. Step 5: Solve for x
    x = 167,485,195.26/13,184.25
  6. Step 6: Final answer
    x = 12,703.43

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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.