Home / 21,125.12-31,693.08-6,333.44

Finding the Fourth Proportional to 21,125.12, 31,693.08 and 6,333.44

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Solution

The fourth proportional to 21,125.12, 31,693.08 and 6,333.44 is: 9,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,125.12 : 31,693.08 = 6,333.44 : x
  2. Step 2: Convert to fraction form
    21,125.12/31,693.08 = 6,333.44/x
  3. Step 3: Cross multiply
    21,125.12x = 31,693.08 × 6,333.44
  4. Step 4: Simplify right side
    21,125.12x = 200,726,220.60
  5. Step 5: Solve for x
    x = 200,726,220.60/21,125.12
  6. Step 6: Final answer
    x = 9,501.78

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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.