Home / 20,798.16-31,192.64-6,003.86

Finding the Fourth Proportional to 20,798.16, 31,192.64 and 6,003.86

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Solution

The fourth proportional to 20,798.16, 31,192.64 and 6,003.86 is: 9,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,798.16 : 31,192.64 = 6,003.86 : x
  2. Step 2: Convert to fraction form
    20,798.16/31,192.64 = 6,003.86/x
  3. Step 3: Cross multiply
    20,798.16x = 31,192.64 × 6,003.86
  4. Step 4: Simplify right side
    20,798.16x = 187,276,243.59
  5. Step 5: Solve for x
    x = 187,276,243.59/20,798.16
  6. Step 6: Final answer
    x = 9,004.46

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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.