Home / 11,825.50-16,319.01-6,520.18

Finding the Fourth Proportional to 11,825.50, 16,319.01 and 6,520.18

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Solution

The fourth proportional to 11,825.50, 16,319.01 and 6,520.18 is: 8,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.50 : 16,319.01 = 6,520.18 : x
  2. Step 2: Convert to fraction form
    11,825.50/16,319.01 = 6,520.18/x
  3. Step 3: Cross multiply
    11,825.50x = 16,319.01 × 6,520.18
  4. Step 4: Simplify right side
    11,825.50x = 106,402,882.62
  5. Step 5: Solve for x
    x = 106,402,882.62/11,825.50
  6. Step 6: Final answer
    x = 8,997.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.