Home / 11,943.40-16,477.16-6,906.70

Finding the Fourth Proportional to 11,943.40, 16,477.16 and 6,906.70

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Solution

The fourth proportional to 11,943.40, 16,477.16 and 6,906.70 is: 9,528.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.40 : 16,477.16 = 6,906.70 : x
  2. Step 2: Convert to fraction form
    11,943.40/16,477.16 = 6,906.70/x
  3. Step 3: Cross multiply
    11,943.40x = 16,477.16 × 6,906.70
  4. Step 4: Simplify right side
    11,943.40x = 113,802,800.97
  5. Step 5: Solve for x
    x = 113,802,800.97/11,943.40
  6. Step 6: Final answer
    x = 9,528.51

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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.