Home / 13,783.32-20,657.66-5,998.68

Finding the Fourth Proportional to 13,783.32, 20,657.66 and 5,998.68

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Solution

The fourth proportional to 13,783.32, 20,657.66 and 5,998.68 is: 8,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.32 : 20,657.66 = 5,998.68 : x
  2. Step 2: Convert to fraction form
    13,783.32/20,657.66 = 5,998.68/x
  3. Step 3: Cross multiply
    13,783.32x = 20,657.66 × 5,998.68
  4. Step 4: Simplify right side
    13,783.32x = 123,918,691.89
  5. Step 5: Solve for x
    x = 123,918,691.89/13,783.32
  6. Step 6: Final answer
    x = 8,990.48

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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.