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Finding the Fourth Proportional to 15,012.69, 22,486.22 and 7,604.43

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Solution

The fourth proportional to 15,012.69, 22,486.22 and 7,604.43 is: 11,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.69 : 22,486.22 = 7,604.43 : x
  2. Step 2: Convert to fraction form
    15,012.69/22,486.22 = 7,604.43/x
  3. Step 3: Cross multiply
    15,012.69x = 22,486.22 × 7,604.43
  4. Step 4: Simplify right side
    15,012.69x = 170,994,834.90
  5. Step 5: Solve for x
    x = 170,994,834.90/15,012.69
  6. Step 6: Final answer
    x = 11,390.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.