Home / 12,809.92-19,214.16-4,490.32

Finding the Fourth Proportional to 12,809.92, 19,214.16 and 4,490.32

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Solution

The fourth proportional to 12,809.92, 19,214.16 and 4,490.32 is: 6,735.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809.92 : 19,214.16 = 4,490.32 : x
  2. Step 2: Convert to fraction form
    12,809.92/19,214.16 = 4,490.32/x
  3. Step 3: Cross multiply
    12,809.92x = 19,214.16 × 4,490.32
  4. Step 4: Simplify right side
    12,809.92x = 86,277,726.93
  5. Step 5: Solve for x
    x = 86,277,726.93/12,809.92
  6. Step 6: Final answer
    x = 6,735.23

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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.