Home / 20,192.63-30,288.96-6,341.63

Finding the Fourth Proportional to 20,192.63, 30,288.96 and 6,341.63

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Solution

The fourth proportional to 20,192.63, 30,288.96 and 6,341.63 is: 9,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.63 : 30,288.96 = 6,341.63 : x
  2. Step 2: Convert to fraction form
    20,192.63/30,288.96 = 6,341.63/x
  3. Step 3: Cross multiply
    20,192.63x = 30,288.96 × 6,341.63
  4. Step 4: Simplify right side
    20,192.63x = 192,081,377.40
  5. Step 5: Solve for x
    x = 192,081,377.40/20,192.63
  6. Step 6: Final answer
    x = 9,512.45

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Double scale
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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.