Home / 20,893.01-31,339.44-5,310.63

Finding the Fourth Proportional to 20,893.01, 31,339.44 and 5,310.63

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Solution

The fourth proportional to 20,893.01, 31,339.44 and 5,310.63 is: 7,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.01 : 31,339.44 = 5,310.63 : x
  2. Step 2: Convert to fraction form
    20,893.01/31,339.44 = 5,310.63/x
  3. Step 3: Cross multiply
    20,893.01x = 31,339.44 × 5,310.63
  4. Step 4: Simplify right side
    20,893.01x = 166,432,170.25
  5. Step 5: Solve for x
    x = 166,432,170.25/20,893.01
  6. Step 6: Final answer
    x = 7,965.93

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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.