Home / 19,329.39-28,997.10-8,236.13

Finding the Fourth Proportional to 19,329.39, 28,997.10 and 8,236.13

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Solution

The fourth proportional to 19,329.39, 28,997.10 and 8,236.13 is: 12,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.39 : 28,997.10 = 8,236.13 : x
  2. Step 2: Convert to fraction form
    19,329.39/28,997.10 = 8,236.13/x
  3. Step 3: Cross multiply
    19,329.39x = 28,997.10 × 8,236.13
  4. Step 4: Simplify right side
    19,329.39x = 238,823,740.24
  5. Step 5: Solve for x
    x = 238,823,740.24/19,329.39
  6. Step 6: Final answer
    x = 12,355.47

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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.