Home / 11,352.89-15,666.62-6,316.97

Finding the Fourth Proportional to 11,352.89, 15,666.62 and 6,316.97

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Solution

The fourth proportional to 11,352.89, 15,666.62 and 6,316.97 is: 8,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.89 : 15,666.62 = 6,316.97 : x
  2. Step 2: Convert to fraction form
    11,352.89/15,666.62 = 6,316.97/x
  3. Step 3: Cross multiply
    11,352.89x = 15,666.62 × 6,316.97
  4. Step 4: Simplify right side
    11,352.89x = 98,965,568.54
  5. Step 5: Solve for x
    x = 98,965,568.54/11,352.89
  6. Step 6: Final answer
    x = 8,717.21

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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.