Home / 13,701.75-20,511.01-8,774.85

Finding the Fourth Proportional to 13,701.75, 20,511.01 and 8,774.85

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Solution

The fourth proportional to 13,701.75, 20,511.01 and 8,774.85 is: 13,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701.75 : 20,511.01 = 8,774.85 : x
  2. Step 2: Convert to fraction form
    13,701.75/20,511.01 = 8,774.85/x
  3. Step 3: Cross multiply
    13,701.75x = 20,511.01 × 8,774.85
  4. Step 4: Simplify right side
    13,701.75x = 179,980,997.71
  5. Step 5: Solve for x
    x = 179,980,997.71/13,701.75
  6. Step 6: Final answer
    x = 13,135.62

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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.