Home / 11,822.38-16,315.09-6,787.13

Finding the Fourth Proportional to 11,822.38, 16,315.09 and 6,787.13

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Solution

The fourth proportional to 11,822.38, 16,315.09 and 6,787.13 is: 9,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.38 : 16,315.09 = 6,787.13 : x
  2. Step 2: Convert to fraction form
    11,822.38/16,315.09 = 6,787.13/x
  3. Step 3: Cross multiply
    11,822.38x = 16,315.09 × 6,787.13
  4. Step 4: Simplify right side
    11,822.38x = 110,732,538.25
  5. Step 5: Solve for x
    x = 110,732,538.25/11,822.38
  6. Step 6: Final answer
    x = 9,366.35

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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.