Home / 20,684.01-31,025.98-8,997.22

Finding the Fourth Proportional to 20,684.01, 31,025.98 and 8,997.22

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Solution

The fourth proportional to 20,684.01, 31,025.98 and 8,997.22 is: 13,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684.01 : 31,025.98 = 8,997.22 : x
  2. Step 2: Convert to fraction form
    20,684.01/31,025.98 = 8,997.22/x
  3. Step 3: Cross multiply
    20,684.01x = 31,025.98 × 8,997.22
  4. Step 4: Simplify right side
    20,684.01x = 279,147,567.78
  5. Step 5: Solve for x
    x = 279,147,567.78/20,684.01
  6. Step 6: Final answer
    x = 13,495.81

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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.