Home / 11,465.27-15,824.89-6,991.49

Finding the Fourth Proportional to 11,465.27, 15,824.89 and 6,991.49

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Solution

The fourth proportional to 11,465.27, 15,824.89 and 6,991.49 is: 9,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.27 : 15,824.89 = 6,991.49 : x
  2. Step 2: Convert to fraction form
    11,465.27/15,824.89 = 6,991.49/x
  3. Step 3: Cross multiply
    11,465.27x = 15,824.89 × 6,991.49
  4. Step 4: Simplify right side
    11,465.27x = 110,639,560.19
  5. Step 5: Solve for x
    x = 110,639,560.19/11,465.27
  6. Step 6: Final answer
    x = 9,649.97

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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.