Home / 20,884.32-31,323.15-6,089.78

Finding the Fourth Proportional to 20,884.32, 31,323.15 and 6,089.78

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Solution

The fourth proportional to 20,884.32, 31,323.15 and 6,089.78 is: 9,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884.32 : 31,323.15 = 6,089.78 : x
  2. Step 2: Convert to fraction form
    20,884.32/31,323.15 = 6,089.78/x
  3. Step 3: Cross multiply
    20,884.32x = 31,323.15 × 6,089.78
  4. Step 4: Simplify right side
    20,884.32x = 190,751,092.41
  5. Step 5: Solve for x
    x = 190,751,092.41/20,884.32
  6. Step 6: Final answer
    x = 9,133.70

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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.