Home / 17,947.83-26,921.76-8,585.64

Finding the Fourth Proportional to 17,947.83, 26,921.76 and 8,585.64

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Solution

The fourth proportional to 17,947.83, 26,921.76 and 8,585.64 is: 12,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.83 : 26,921.76 = 8,585.64 : x
  2. Step 2: Convert to fraction form
    17,947.83/26,921.76 = 8,585.64/x
  3. Step 3: Cross multiply
    17,947.83x = 26,921.76 × 8,585.64
  4. Step 4: Simplify right side
    17,947.83x = 231,140,539.53
  5. Step 5: Solve for x
    x = 231,140,539.53/17,947.83
  6. Step 6: Final answer
    x = 12,878.47

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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.