Home / 18,768.16-25,897.44-15,946.96

Finding the Fourth Proportional to 18,768.16, 25,897.44 and 15,946.96

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Solution

The fourth proportional to 18,768.16, 25,897.44 and 15,946.96 is: 22,004.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768.16 : 25,897.44 = 15,946.96 : x
  2. Step 2: Convert to fraction form
    18,768.16/25,897.44 = 15,946.96/x
  3. Step 3: Cross multiply
    18,768.16x = 25,897.44 × 15,946.96
  4. Step 4: Simplify right side
    18,768.16x = 412,985,439.78
  5. Step 5: Solve for x
    x = 412,985,439.78/18,768.16
  6. Step 6: Final answer
    x = 22,004.58

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.