Home / 11,581.97-15,983.00-6,477.43

Finding the Fourth Proportional to 11,581.97, 15,983.00 and 6,477.43

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Solution

The fourth proportional to 11,581.97, 15,983.00 and 6,477.43 is: 8,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.97 : 15,983.00 = 6,477.43 : x
  2. Step 2: Convert to fraction form
    11,581.97/15,983.00 = 6,477.43/x
  3. Step 3: Cross multiply
    11,581.97x = 15,983.00 × 6,477.43
  4. Step 4: Simplify right side
    11,581.97x = 103,528,705.21
  5. Step 5: Solve for x
    x = 103,528,705.21/11,581.97
  6. Step 6: Final answer
    x = 8,938.78

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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.