Home / 20,927.52-31,387.83-6,887.73

Finding the Fourth Proportional to 20,927.52, 31,387.83 and 6,887.73

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Solution

The fourth proportional to 20,927.52, 31,387.83 and 6,887.73 is: 10,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,927.52 : 31,387.83 = 6,887.73 : x
  2. Step 2: Convert to fraction form
    20,927.52/31,387.83 = 6,887.73/x
  3. Step 3: Cross multiply
    20,927.52x = 31,387.83 × 6,887.73
  4. Step 4: Simplify right side
    20,927.52x = 216,190,898.33
  5. Step 5: Solve for x
    x = 216,190,898.33/20,927.52
  6. Step 6: Final answer
    x = 10,330.46

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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.