Home / 21,193.52-31,793.26-6,400.76

Finding the Fourth Proportional to 21,193.52, 31,793.26 and 6,400.76

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Solution

The fourth proportional to 21,193.52, 31,793.26 and 6,400.76 is: 9,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.52 : 31,793.26 = 6,400.76 : x
  2. Step 2: Convert to fraction form
    21,193.52/31,793.26 = 6,400.76/x
  3. Step 3: Cross multiply
    21,193.52x = 31,793.26 × 6,400.76
  4. Step 4: Simplify right side
    21,193.52x = 203,501,026.88
  5. Step 5: Solve for x
    x = 203,501,026.88/21,193.52
  6. Step 6: Final answer
    x = 9,602.04

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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.