Home / 11,223.92-15,490.80-8,566.28

Finding the Fourth Proportional to 11,223.92, 15,490.80 and 8,566.28

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Solution

The fourth proportional to 11,223.92, 15,490.80 and 8,566.28 is: 11,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.92 : 15,490.80 = 8,566.28 : x
  2. Step 2: Convert to fraction form
    11,223.92/15,490.80 = 8,566.28/x
  3. Step 3: Cross multiply
    11,223.92x = 15,490.80 × 8,566.28
  4. Step 4: Simplify right side
    11,223.92x = 132,698,530.22
  5. Step 5: Solve for x
    x = 132,698,530.22/11,223.92
  6. Step 6: Final answer
    x = 11,822.83

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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.