Home / 11,008.20-15,146.24-9,511.32

Finding the Fourth Proportional to 11,008.20, 15,146.24 and 9,511.32

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Solution

The fourth proportional to 11,008.20, 15,146.24 and 9,511.32 is: 13,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.20 : 15,146.24 = 9,511.32 : x
  2. Step 2: Convert to fraction form
    11,008.20/15,146.24 = 9,511.32/x
  3. Step 3: Cross multiply
    11,008.20x = 15,146.24 × 9,511.32
  4. Step 4: Simplify right side
    11,008.20x = 144,060,735.44
  5. Step 5: Solve for x
    x = 144,060,735.44/11,008.20
  6. Step 6: Final answer
    x = 13,086.67

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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.