Home / 20,723.19-31,090.86-6,682.94

Finding the Fourth Proportional to 20,723.19, 31,090.86 and 6,682.94

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Solution

The fourth proportional to 20,723.19, 31,090.86 and 6,682.94 is: 10,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.19 : 31,090.86 = 6,682.94 : x
  2. Step 2: Convert to fraction form
    20,723.19/31,090.86 = 6,682.94/x
  3. Step 3: Cross multiply
    20,723.19x = 31,090.86 × 6,682.94
  4. Step 4: Simplify right side
    20,723.19x = 207,778,196.47
  5. Step 5: Solve for x
    x = 207,778,196.47/20,723.19
  6. Step 6: Final answer
    x = 10,026.36

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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.