Home / 11,005.05-15,186.54-5,969.17

Finding the Fourth Proportional to 11,005.05, 15,186.54 and 5,969.17

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Solution

The fourth proportional to 11,005.05, 15,186.54 and 5,969.17 is: 8,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.05 : 15,186.54 = 5,969.17 : x
  2. Step 2: Convert to fraction form
    11,005.05/15,186.54 = 5,969.17/x
  3. Step 3: Cross multiply
    11,005.05x = 15,186.54 × 5,969.17
  4. Step 4: Simplify right side
    11,005.05x = 90,651,038.97
  5. Step 5: Solve for x
    x = 90,651,038.97/11,005.05
  6. Step 6: Final answer
    x = 8,237.22

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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.