Home / 11,324.28-15,626.98-6,288.82

Finding the Fourth Proportional to 11,324.28, 15,626.98 and 6,288.82

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Solution

The fourth proportional to 11,324.28, 15,626.98 and 6,288.82 is: 8,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.28 : 15,626.98 = 6,288.82 : x
  2. Step 2: Convert to fraction form
    11,324.28/15,626.98 = 6,288.82/x
  3. Step 3: Cross multiply
    11,324.28x = 15,626.98 × 6,288.82
  4. Step 4: Simplify right side
    11,324.28x = 98,275,264.36
  5. Step 5: Solve for x
    x = 98,275,264.36/11,324.28
  6. Step 6: Final answer
    x = 8,678.28

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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.