Home / 14,488.76-19,996.40-8,201.16

Finding the Fourth Proportional to 14,488.76, 19,996.40 and 8,201.16

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Solution

The fourth proportional to 14,488.76, 19,996.40 and 8,201.16 is: 11,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.76 : 19,996.40 = 8,201.16 : x
  2. Step 2: Convert to fraction form
    14,488.76/19,996.40 = 8,201.16/x
  3. Step 3: Cross multiply
    14,488.76x = 19,996.40 × 8,201.16
  4. Step 4: Simplify right side
    14,488.76x = 163,993,675.82
  5. Step 5: Solve for x
    x = 163,993,675.82/14,488.76
  6. Step 6: Final answer
    x = 11,318.68

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Double scale
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Similar ratio
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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.