Home / 12,643.18-17,441.94-7,604.44

Finding the Fourth Proportional to 12,643.18, 17,441.94 and 7,604.44

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Solution

The fourth proportional to 12,643.18, 17,441.94 and 7,604.44 is: 10,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643.18 : 17,441.94 = 7,604.44 : x
  2. Step 2: Convert to fraction form
    12,643.18/17,441.94 = 7,604.44/x
  3. Step 3: Cross multiply
    12,643.18x = 17,441.94 × 7,604.44
  4. Step 4: Simplify right side
    12,643.18x = 132,636,186.21
  5. Step 5: Solve for x
    x = 132,636,186.21/12,643.18
  6. Step 6: Final answer
    x = 10,490.73

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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.