Home / 11,552.19-15,914.38-10,989.38

Finding the Fourth Proportional to 11,552.19, 15,914.38 and 10,989.38

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Solution

The fourth proportional to 11,552.19, 15,914.38 and 10,989.38 is: 15,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.19 : 15,914.38 = 10,989.38 : x
  2. Step 2: Convert to fraction form
    11,552.19/15,914.38 = 10,989.38/x
  3. Step 3: Cross multiply
    11,552.19x = 15,914.38 × 10,989.38
  4. Step 4: Simplify right side
    11,552.19x = 174,889,169.28
  5. Step 5: Solve for x
    x = 174,889,169.28/11,552.19
  6. Step 6: Final answer
    x = 15,139.05

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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.