Home / 12,847.05-19,272.06-4,947.73

Finding the Fourth Proportional to 12,847.05, 19,272.06 and 4,947.73

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Solution

The fourth proportional to 12,847.05, 19,272.06 and 4,947.73 is: 7,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847.05 : 19,272.06 = 4,947.73 : x
  2. Step 2: Convert to fraction form
    12,847.05/19,272.06 = 4,947.73/x
  3. Step 3: Cross multiply
    12,847.05x = 19,272.06 × 4,947.73
  4. Step 4: Simplify right side
    12,847.05x = 95,352,828.32
  5. Step 5: Solve for x
    x = 95,352,828.32/12,847.05
  6. Step 6: Final answer
    x = 7,422.16

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.