Home / 10,817.43-16,226.15-4,978.14

Finding the Fourth Proportional to 10,817.43, 16,226.15 and 4,978.14

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Solution

The fourth proportional to 10,817.43, 16,226.15 and 4,978.14 is: 7,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.43 : 16,226.15 = 4,978.14 : x
  2. Step 2: Convert to fraction form
    10,817.43/16,226.15 = 4,978.14/x
  3. Step 3: Cross multiply
    10,817.43x = 16,226.15 × 4,978.14
  4. Step 4: Simplify right side
    10,817.43x = 80,776,021.47
  5. Step 5: Solve for x
    x = 80,776,021.47/10,817.43
  6. Step 6: Final answer
    x = 7,467.21

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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.