Home / 19,316.29-28,982.94-8,224.15

Finding the Fourth Proportional to 19,316.29, 28,982.94 and 8,224.15

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Solution

The fourth proportional to 19,316.29, 28,982.94 and 8,224.15 is: 12,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.29 : 28,982.94 = 8,224.15 : x
  2. Step 2: Convert to fraction form
    19,316.29/28,982.94 = 8,224.15/x
  3. Step 3: Cross multiply
    19,316.29x = 28,982.94 × 8,224.15
  4. Step 4: Simplify right side
    19,316.29x = 238,360,046.00
  5. Step 5: Solve for x
    x = 238,360,046.00/19,316.29
  6. Step 6: Final answer
    x = 12,339.85

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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.