Home / 12,003.23-18,004.85-9,946.91

Finding the Fourth Proportional to 12,003.23, 18,004.85 and 9,946.91

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Solution

The fourth proportional to 12,003.23, 18,004.85 and 9,946.91 is: 14,920.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003.23 : 18,004.85 = 9,946.91 : x
  2. Step 2: Convert to fraction form
    12,003.23/18,004.85 = 9,946.91/x
  3. Step 3: Cross multiply
    12,003.23x = 18,004.85 × 9,946.91
  4. Step 4: Simplify right side
    12,003.23x = 179,092,622.51
  5. Step 5: Solve for x
    x = 179,092,622.51/12,003.23
  6. Step 6: Final answer
    x = 14,920.37

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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.