Home / 11,825.40-16,319.17-6,520.08

Finding the Fourth Proportional to 11,825.40, 16,319.17 and 6,520.08

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Solution

The fourth proportional to 11,825.40, 16,319.17 and 6,520.08 is: 8,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.40 : 16,319.17 = 6,520.08 : x
  2. Step 2: Convert to fraction form
    11,825.40/16,319.17 = 6,520.08/x
  3. Step 3: Cross multiply
    11,825.40x = 16,319.17 × 6,520.08
  4. Step 4: Simplify right side
    11,825.40x = 106,402,293.93
  5. Step 5: Solve for x
    x = 106,402,293.93/11,825.40
  6. Step 6: Final answer
    x = 8,997.78

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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.