Home / 8,565.20-12,826.20-6,837.20

Finding the Fourth Proportional to 8,565.20, 12,826.20 and 6,837.20

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Solution

The fourth proportional to 8,565.20, 12,826.20 and 6,837.20 is: 10,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.20 : 12,826.20 = 6,837.20 : x
  2. Step 2: Convert to fraction form
    8,565.20/12,826.20 = 6,837.20/x
  3. Step 3: Cross multiply
    8,565.20x = 12,826.20 × 6,837.20
  4. Step 4: Simplify right side
    8,565.20x = 87,695,294.64
  5. Step 5: Solve for x
    x = 87,695,294.64/8,565.20
  6. Step 6: Final answer
    x = 10,238.56

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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.