Home / 17,778.72-26,673.84-8,545.44

Finding the Fourth Proportional to 17,778.72, 26,673.84 and 8,545.44

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Solution

The fourth proportional to 17,778.72, 26,673.84 and 8,545.44 is: 12,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,778.72 : 26,673.84 = 8,545.44 : x
  2. Step 2: Convert to fraction form
    17,778.72/26,673.84 = 8,545.44/x
  3. Step 3: Cross multiply
    17,778.72x = 26,673.84 × 8,545.44
  4. Step 4: Simplify right side
    17,778.72x = 227,939,699.29
  5. Step 5: Solve for x
    x = 227,939,699.29/17,778.72
  6. Step 6: Final answer
    x = 12,820.93

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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.