Home / 11,288.69-15,578.25-6,253.11

Finding the Fourth Proportional to 11,288.69, 15,578.25 and 6,253.11

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Solution

The fourth proportional to 11,288.69, 15,578.25 and 6,253.11 is: 8,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.69 : 15,578.25 = 6,253.11 : x
  2. Step 2: Convert to fraction form
    11,288.69/15,578.25 = 6,253.11/x
  3. Step 3: Cross multiply
    11,288.69x = 15,578.25 × 6,253.11
  4. Step 4: Simplify right side
    11,288.69x = 97,412,510.86
  5. Step 5: Solve for x
    x = 97,412,510.86/11,288.69
  6. Step 6: Final answer
    x = 8,629.21

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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.