Home / 20,659.74-30,983.40-5,869.86

Finding the Fourth Proportional to 20,659.74, 30,983.40 and 5,869.86

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Solution

The fourth proportional to 20,659.74, 30,983.40 and 5,869.86 is: 8,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659.74 : 30,983.40 = 5,869.86 : x
  2. Step 2: Convert to fraction form
    20,659.74/30,983.40 = 5,869.86/x
  3. Step 3: Cross multiply
    20,659.74x = 30,983.40 × 5,869.86
  4. Step 4: Simplify right side
    20,659.74x = 181,868,220.32
  5. Step 5: Solve for x
    x = 181,868,220.32/20,659.74
  6. Step 6: Final answer
    x = 8,803.03

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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.