Home / 11,038.44-16,557.42-5,191.80

Finding the Fourth Proportional to 11,038.44, 16,557.42 and 5,191.80

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Solution

The fourth proportional to 11,038.44, 16,557.42 and 5,191.80 is: 7,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.44 : 16,557.42 = 5,191.80 : x
  2. Step 2: Convert to fraction form
    11,038.44/16,557.42 = 5,191.80/x
  3. Step 3: Cross multiply
    11,038.44x = 16,557.42 × 5,191.80
  4. Step 4: Simplify right side
    11,038.44x = 85,962,813.16
  5. Step 5: Solve for x
    x = 85,962,813.16/11,038.44
  6. Step 6: Final answer
    x = 7,787.59

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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.