Home / 11,222.67-15,487.25-6,509.64

Finding the Fourth Proportional to 11,222.67, 15,487.25 and 6,509.64

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Solution

The fourth proportional to 11,222.67, 15,487.25 and 6,509.64 is: 8,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.67 : 15,487.25 = 6,509.64 : x
  2. Step 2: Convert to fraction form
    11,222.67/15,487.25 = 6,509.64/x
  3. Step 3: Cross multiply
    11,222.67x = 15,487.25 × 6,509.64
  4. Step 4: Simplify right side
    11,222.67x = 100,816,389.54
  5. Step 5: Solve for x
    x = 100,816,389.54/11,222.67
  6. Step 6: Final answer
    x = 8,983.28

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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.