Home / 11,189.07-16,787.12-4,618.35

Finding the Fourth Proportional to 11,189.07, 16,787.12 and 4,618.35

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Solution

The fourth proportional to 11,189.07, 16,787.12 and 4,618.35 is: 6,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.07 : 16,787.12 = 4,618.35 : x
  2. Step 2: Convert to fraction form
    11,189.07/16,787.12 = 4,618.35/x
  3. Step 3: Cross multiply
    11,189.07x = 16,787.12 × 4,618.35
  4. Step 4: Simplify right side
    11,189.07x = 77,528,772.56
  5. Step 5: Solve for x
    x = 77,528,772.56/11,189.07
  6. Step 6: Final answer
    x = 6,928.97

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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.