Home / 15,986.14-23,979.20-6,128.23

Finding the Fourth Proportional to 15,986.14, 23,979.20 and 6,128.23

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Solution

The fourth proportional to 15,986.14, 23,979.20 and 6,128.23 is: 9,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.14 : 23,979.20 = 6,128.23 : x
  2. Step 2: Convert to fraction form
    15,986.14/23,979.20 = 6,128.23/x
  3. Step 3: Cross multiply
    15,986.14x = 23,979.20 × 6,128.23
  4. Step 4: Simplify right side
    15,986.14x = 146,950,052.82
  5. Step 5: Solve for x
    x = 146,950,052.82/15,986.14
  6. Step 6: Final answer
    x = 9,192.34

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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.