Home / 11,237.40-15,507.06-6,520.92

Finding the Fourth Proportional to 11,237.40, 15,507.06 and 6,520.92

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Solution

The fourth proportional to 11,237.40, 15,507.06 and 6,520.92 is: 8,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.40 : 15,507.06 = 6,520.92 : x
  2. Step 2: Convert to fraction form
    11,237.40/15,507.06 = 6,520.92/x
  3. Step 3: Cross multiply
    11,237.40x = 15,507.06 × 6,520.92
  4. Step 4: Simplify right side
    11,237.40x = 101,120,297.70
  5. Step 5: Solve for x
    x = 101,120,297.70/11,237.40
  6. Step 6: Final answer
    x = 8,998.55

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Double scale
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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.