Home / 21,035.35-31,550.60-6,242.73

Finding the Fourth Proportional to 21,035.35, 31,550.60 and 6,242.73

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Solution

The fourth proportional to 21,035.35, 31,550.60 and 6,242.73 is: 9,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.35 : 31,550.60 = 6,242.73 : x
  2. Step 2: Convert to fraction form
    21,035.35/31,550.60 = 6,242.73/x
  3. Step 3: Cross multiply
    21,035.35x = 31,550.60 × 6,242.73
  4. Step 4: Simplify right side
    21,035.35x = 196,961,688.17
  5. Step 5: Solve for x
    x = 196,961,688.17/21,035.35
  6. Step 6: Final answer
    x = 9,363.37

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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.