Home / 15,143.83-22,720.25-6,826.39

Finding the Fourth Proportional to 15,143.83, 22,720.25 and 6,826.39

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Solution

The fourth proportional to 15,143.83, 22,720.25 and 6,826.39 is: 10,241.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143.83 : 22,720.25 = 6,826.39 : x
  2. Step 2: Convert to fraction form
    15,143.83/22,720.25 = 6,826.39/x
  3. Step 3: Cross multiply
    15,143.83x = 22,720.25 × 6,826.39
  4. Step 4: Simplify right side
    15,143.83x = 155,097,253.27
  5. Step 5: Solve for x
    x = 155,097,253.27/15,143.83
  6. Step 6: Final answer
    x = 10,241.61

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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.