Home / 20,329.23-30,486.26-6,998.49

Finding the Fourth Proportional to 20,329.23, 30,486.26 and 6,998.49

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Solution

The fourth proportional to 20,329.23, 30,486.26 and 6,998.49 is: 10,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,329.23 : 30,486.26 = 6,998.49 : x
  2. Step 2: Convert to fraction form
    20,329.23/30,486.26 = 6,998.49/x
  3. Step 3: Cross multiply
    20,329.23x = 30,486.26 × 6,998.49
  4. Step 4: Simplify right side
    20,329.23x = 213,357,750.75
  5. Step 5: Solve for x
    x = 213,357,750.75/20,329.23
  6. Step 6: Final answer
    x = 10,495.12

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Half scale
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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.