Home / 20,656.37-30,984.51-5,865.44

Finding the Fourth Proportional to 20,656.37, 30,984.51 and 5,865.44

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Solution

The fourth proportional to 20,656.37, 30,984.51 and 5,865.44 is: 8,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656.37 : 30,984.51 = 5,865.44 : x
  2. Step 2: Convert to fraction form
    20,656.37/30,984.51 = 5,865.44/x
  3. Step 3: Cross multiply
    20,656.37x = 30,984.51 × 5,865.44
  4. Step 4: Simplify right side
    20,656.37x = 181,737,629.41
  5. Step 5: Solve for x
    x = 181,737,629.41/20,656.37
  6. Step 6: Final answer
    x = 8,798.14

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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.