Home / 21,194.98-31,793.60-6,403.52

Finding the Fourth Proportional to 21,194.98, 31,793.60 and 6,403.52

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Solution

The fourth proportional to 21,194.98, 31,793.60 and 6,403.52 is: 9,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.98 : 31,793.60 = 6,403.52 : x
  2. Step 2: Convert to fraction form
    21,194.98/31,793.60 = 6,403.52/x
  3. Step 3: Cross multiply
    21,194.98x = 31,793.60 × 6,403.52
  4. Step 4: Simplify right side
    21,194.98x = 203,590,953.47
  5. Step 5: Solve for x
    x = 203,590,953.47/21,194.98
  6. Step 6: Final answer
    x = 9,605.62

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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.