Home / 12,304.17-16,981.11-6,998.13

Finding the Fourth Proportional to 12,304.17, 16,981.11 and 6,998.13

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Solution

The fourth proportional to 12,304.17, 16,981.11 and 6,998.13 is: 9,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.17 : 16,981.11 = 6,998.13 : x
  2. Step 2: Convert to fraction form
    12,304.17/16,981.11 = 6,998.13/x
  3. Step 3: Cross multiply
    12,304.17x = 16,981.11 × 6,998.13
  4. Step 4: Simplify right side
    12,304.17x = 118,836,015.32
  5. Step 5: Solve for x
    x = 118,836,015.32/12,304.17
  6. Step 6: Final answer
    x = 9,658.19

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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.