Home / 20,683.01-31,024.49-8,996.22

Finding the Fourth Proportional to 20,683.01, 31,024.49 and 8,996.22

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Solution

The fourth proportional to 20,683.01, 31,024.49 and 8,996.22 is: 13,494.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,683.01 : 31,024.49 = 8,996.22 : x
  2. Step 2: Convert to fraction form
    20,683.01/31,024.49 = 8,996.22/x
  3. Step 3: Cross multiply
    20,683.01x = 31,024.49 × 8,996.22
  4. Step 4: Simplify right side
    20,683.01x = 279,103,092.45
  5. Step 5: Solve for x
    x = 279,103,092.45/20,683.01
  6. Step 6: Final answer
    x = 13,494.32

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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.