Home / 20,323.46-28,046.48-11,370.96

Finding the Fourth Proportional to 20,323.46, 28,046.48 and 11,370.96

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Solution

The fourth proportional to 20,323.46, 28,046.48 and 11,370.96 is: 15,691.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323.46 : 28,046.48 = 11,370.96 : x
  2. Step 2: Convert to fraction form
    20,323.46/28,046.48 = 11,370.96/x
  3. Step 3: Cross multiply
    20,323.46x = 28,046.48 × 11,370.96
  4. Step 4: Simplify right side
    20,323.46x = 318,915,345.37
  5. Step 5: Solve for x
    x = 318,915,345.37/20,323.46
  6. Step 6: Final answer
    x = 15,691.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.