Home / 13,159.92-19,739.88-6,579.48

Finding the Fourth Proportional to 13,159.92, 19,739.88 and 6,579.48

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Solution

The fourth proportional to 13,159.92, 19,739.88 and 6,579.48 is: 9,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.92 : 19,739.88 = 6,579.48 : x
  2. Step 2: Convert to fraction form
    13,159.92/19,739.88 = 6,579.48/x
  3. Step 3: Cross multiply
    13,159.92x = 19,739.88 × 6,579.48
  4. Step 4: Simplify right side
    13,159.92x = 129,878,145.66
  5. Step 5: Solve for x
    x = 129,878,145.66/13,159.92
  6. Step 6: Final answer
    x = 9,869.22

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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.