Home / 13,219.07-18,242.82-7,250.99

Finding the Fourth Proportional to 13,219.07, 18,242.82 and 7,250.99

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Solution

The fourth proportional to 13,219.07, 18,242.82 and 7,250.99 is: 10,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.07 : 18,242.82 = 7,250.99 : x
  2. Step 2: Convert to fraction form
    13,219.07/18,242.82 = 7,250.99/x
  3. Step 3: Cross multiply
    13,219.07x = 18,242.82 × 7,250.99
  4. Step 4: Simplify right side
    13,219.07x = 132,278,486.98
  5. Step 5: Solve for x
    x = 132,278,486.98/13,219.07
  6. Step 6: Final answer
    x = 10,006.64

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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.