Home / 20,896.52-31,341.53-6,101.46

Finding the Fourth Proportional to 20,896.52, 31,341.53 and 6,101.46

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Solution

The fourth proportional to 20,896.52, 31,341.53 and 6,101.46 is: 9,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896.52 : 31,341.53 = 6,101.46 : x
  2. Step 2: Convert to fraction form
    20,896.52/31,341.53 = 6,101.46/x
  3. Step 3: Cross multiply
    20,896.52x = 31,341.53 × 6,101.46
  4. Step 4: Simplify right side
    20,896.52x = 191,229,106.89
  5. Step 5: Solve for x
    x = 191,229,106.89/20,896.52
  6. Step 6: Final answer
    x = 9,151.24

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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.