Home / 21,037.29-31,550.54-6,242.73

Finding the Fourth Proportional to 21,037.29, 31,550.54 and 6,242.73

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Solution

The fourth proportional to 21,037.29, 31,550.54 and 6,242.73 is: 9,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.29 : 31,550.54 = 6,242.73 : x
  2. Step 2: Convert to fraction form
    21,037.29/31,550.54 = 6,242.73/x
  3. Step 3: Cross multiply
    21,037.29x = 31,550.54 × 6,242.73
  4. Step 4: Simplify right side
    21,037.29x = 196,961,471.36
  5. Step 5: Solve for x
    x = 196,961,471.36/21,037.29
  6. Step 6: Final answer
    x = 9,362.49

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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.