Home / 21,893.36-32,840.76-6,311.12

Finding the Fourth Proportional to 21,893.36, 32,840.76 and 6,311.12

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Solution

The fourth proportional to 21,893.36, 32,840.76 and 6,311.12 is: 9,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,893.36 : 32,840.76 = 6,311.12 : x
  2. Step 2: Convert to fraction form
    21,893.36/32,840.76 = 6,311.12/x
  3. Step 3: Cross multiply
    21,893.36x = 32,840.76 × 6,311.12
  4. Step 4: Simplify right side
    21,893.36x = 207,261,977.25
  5. Step 5: Solve for x
    x = 207,261,977.25/21,893.36
  6. Step 6: Final answer
    x = 9,466.89

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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.