Home / 11,331.27-16,991.06-5,085.93

Finding the Fourth Proportional to 11,331.27, 16,991.06 and 5,085.93

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Solution

The fourth proportional to 11,331.27, 16,991.06 and 5,085.93 is: 7,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.27 : 16,991.06 = 5,085.93 : x
  2. Step 2: Convert to fraction form
    11,331.27/16,991.06 = 5,085.93/x
  3. Step 3: Cross multiply
    11,331.27x = 16,991.06 × 5,085.93
  4. Step 4: Simplify right side
    11,331.27x = 86,415,327.41
  5. Step 5: Solve for x
    x = 86,415,327.41/11,331.27
  6. Step 6: Final answer
    x = 7,626.27

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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.