Home / 12,935.80-17,846.22-8,154.17

Finding the Fourth Proportional to 12,935.80, 17,846.22 and 8,154.17

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Solution

The fourth proportional to 12,935.80, 17,846.22 and 8,154.17 is: 11,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.80 : 17,846.22 = 8,154.17 : x
  2. Step 2: Convert to fraction form
    12,935.80/17,846.22 = 8,154.17/x
  3. Step 3: Cross multiply
    12,935.80x = 17,846.22 × 8,154.17
  4. Step 4: Simplify right side
    12,935.80x = 145,521,120.01
  5. Step 5: Solve for x
    x = 145,521,120.01/12,935.80
  6. Step 6: Final answer
    x = 11,249.49

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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.