Home / 11,348.59-17,011.18-8,220.73

Finding the Fourth Proportional to 11,348.59, 17,011.18 and 8,220.73

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Solution

The fourth proportional to 11,348.59, 17,011.18 and 8,220.73 is: 12,322.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.59 : 17,011.18 = 8,220.73 : x
  2. Step 2: Convert to fraction form
    11,348.59/17,011.18 = 8,220.73/x
  3. Step 3: Cross multiply
    11,348.59x = 17,011.18 × 8,220.73
  4. Step 4: Simplify right side
    11,348.59x = 139,844,317.76
  5. Step 5: Solve for x
    x = 139,844,317.76/11,348.59
  6. Step 6: Final answer
    x = 12,322.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.