Home / 11,022.83-15,211.28-6,242.69

Finding the Fourth Proportional to 11,022.83, 15,211.28 and 6,242.69

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Solution

The fourth proportional to 11,022.83, 15,211.28 and 6,242.69 is: 8,614.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.83 : 15,211.28 = 6,242.69 : x
  2. Step 2: Convert to fraction form
    11,022.83/15,211.28 = 6,242.69/x
  3. Step 3: Cross multiply
    11,022.83x = 15,211.28 × 6,242.69
  4. Step 4: Simplify right side
    11,022.83x = 94,959,399.40
  5. Step 5: Solve for x
    x = 94,959,399.40/11,022.83
  6. Step 6: Final answer
    x = 8,614.79

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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.