Home / 12,411.18-17,127.45-6,822.18

Finding the Fourth Proportional to 12,411.18, 17,127.45 and 6,822.18

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Solution

The fourth proportional to 12,411.18, 17,127.45 and 6,822.18 is: 9,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411.18 : 17,127.45 = 6,822.18 : x
  2. Step 2: Convert to fraction form
    12,411.18/17,127.45 = 6,822.18/x
  3. Step 3: Cross multiply
    12,411.18x = 17,127.45 × 6,822.18
  4. Step 4: Simplify right side
    12,411.18x = 116,846,546.84
  5. Step 5: Solve for x
    x = 116,846,546.84/12,411.18
  6. Step 6: Final answer
    x = 9,414.62

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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.