Home / 11,206.19-16,787.41-8,239.16

Finding the Fourth Proportional to 11,206.19, 16,787.41 and 8,239.16

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Solution

The fourth proportional to 11,206.19, 16,787.41 and 8,239.16 is: 12,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.19 : 16,787.41 = 8,239.16 : x
  2. Step 2: Convert to fraction form
    11,206.19/16,787.41 = 8,239.16/x
  3. Step 3: Cross multiply
    11,206.19x = 16,787.41 × 8,239.16
  4. Step 4: Simplify right side
    11,206.19x = 138,314,156.98
  5. Step 5: Solve for x
    x = 138,314,156.98/11,206.19
  6. Step 6: Final answer
    x = 12,342.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.