Home / 11,005.36-15,187.26-5,969.50

Finding the Fourth Proportional to 11,005.36, 15,187.26 and 5,969.50

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Solution

The fourth proportional to 11,005.36, 15,187.26 and 5,969.50 is: 8,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.36 : 15,187.26 = 5,969.50 : x
  2. Step 2: Convert to fraction form
    11,005.36/15,187.26 = 5,969.50/x
  3. Step 3: Cross multiply
    11,005.36x = 15,187.26 × 5,969.50
  4. Step 4: Simplify right side
    11,005.36x = 90,660,348.57
  5. Step 5: Solve for x
    x = 90,660,348.57/11,005.36
  6. Step 6: Final answer
    x = 8,237.84

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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.