Home / 11,000.91-15,201.33-8,011.53

Finding the Fourth Proportional to 11,000.91, 15,201.33 and 8,011.53

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Solution

The fourth proportional to 11,000.91, 15,201.33 and 8,011.53 is: 11,070.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.91 : 15,201.33 = 8,011.53 : x
  2. Step 2: Convert to fraction form
    11,000.91/15,201.33 = 8,011.53/x
  3. Step 3: Cross multiply
    11,000.91x = 15,201.33 × 8,011.53
  4. Step 4: Simplify right side
    11,000.91x = 121,785,911.33
  5. Step 5: Solve for x
    x = 121,785,911.33/11,000.91
  6. Step 6: Final answer
    x = 11,070.53

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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.