Home / 20,799.37-31,166.25-7,633.63

Finding the Fourth Proportional to 20,799.37, 31,166.25 and 7,633.63

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Solution

The fourth proportional to 20,799.37, 31,166.25 and 7,633.63 is: 11,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.37 : 31,166.25 = 7,633.63 : x
  2. Step 2: Convert to fraction form
    20,799.37/31,166.25 = 7,633.63/x
  3. Step 3: Cross multiply
    20,799.37x = 31,166.25 × 7,633.63
  4. Step 4: Simplify right side
    20,799.37x = 237,911,620.99
  5. Step 5: Solve for x
    x = 237,911,620.99/20,799.37
  6. Step 6: Final answer
    x = 11,438.41

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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.