Home / 11,182.70-16,781.74-4,608.90

Finding the Fourth Proportional to 11,182.70, 16,781.74 and 4,608.90

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Solution

The fourth proportional to 11,182.70, 16,781.74 and 4,608.90 is: 6,916.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.70 : 16,781.74 = 4,608.90 : x
  2. Step 2: Convert to fraction form
    11,182.70/16,781.74 = 4,608.90/x
  3. Step 3: Cross multiply
    11,182.70x = 16,781.74 × 4,608.90
  4. Step 4: Simplify right side
    11,182.70x = 77,345,361.49
  5. Step 5: Solve for x
    x = 77,345,361.49/11,182.70
  6. Step 6: Final answer
    x = 6,916.52

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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.