Home / 13,218.66-18,241.99-7,250.63

Finding the Fourth Proportional to 13,218.66, 18,241.99 and 7,250.63

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Solution

The fourth proportional to 13,218.66, 18,241.99 and 7,250.63 is: 10,006.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.66 : 18,241.99 = 7,250.63 : x
  2. Step 2: Convert to fraction form
    13,218.66/18,241.99 = 7,250.63/x
  3. Step 3: Cross multiply
    13,218.66x = 18,241.99 × 7,250.63
  4. Step 4: Simplify right side
    13,218.66x = 132,265,919.95
  5. Step 5: Solve for x
    x = 132,265,919.95/13,218.66
  6. Step 6: Final answer
    x = 10,006.00

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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.