Home / 11,086.66-15,295.58-8,535.20

Finding the Fourth Proportional to 11,086.66, 15,295.58 and 8,535.20

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Solution

The fourth proportional to 11,086.66, 15,295.58 and 8,535.20 is: 11,775.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086.66 : 15,295.58 = 8,535.20 : x
  2. Step 2: Convert to fraction form
    11,086.66/15,295.58 = 8,535.20/x
  3. Step 3: Cross multiply
    11,086.66x = 15,295.58 × 8,535.20
  4. Step 4: Simplify right side
    11,086.66x = 130,550,838.30
  5. Step 5: Solve for x
    x = 130,550,838.30/11,086.66
  6. Step 6: Final answer
    x = 11,775.48

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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.