Home / 11,588.09-15,991.48-6,282.87

Finding the Fourth Proportional to 11,588.09, 15,991.48 and 6,282.87

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Solution

The fourth proportional to 11,588.09, 15,991.48 and 6,282.87 is: 8,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,588.09 : 15,991.48 = 6,282.87 : x
  2. Step 2: Convert to fraction form
    11,588.09/15,991.48 = 6,282.87/x
  3. Step 3: Cross multiply
    11,588.09x = 15,991.48 × 6,282.87
  4. Step 4: Simplify right side
    11,588.09x = 100,472,389.95
  5. Step 5: Solve for x
    x = 100,472,389.95/11,588.09
  6. Step 6: Final answer
    x = 8,670.31

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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.