Home / 9,905.15-14,859.77-3,331.17

Finding the Fourth Proportional to 9,905.15, 14,859.77 and 3,331.17

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Solution

The fourth proportional to 9,905.15, 14,859.77 and 3,331.17 is: 4,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.15 : 14,859.77 = 3,331.17 : x
  2. Step 2: Convert to fraction form
    9,905.15/14,859.77 = 3,331.17/x
  3. Step 3: Cross multiply
    9,905.15x = 14,859.77 × 3,331.17
  4. Step 4: Simplify right side
    9,905.15x = 49,500,403.38
  5. Step 5: Solve for x
    x = 49,500,403.38/9,905.15
  6. Step 6: Final answer
    x = 4,997.44

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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.