Home / 21,020.24-31,536.54-6,229.58

Finding the Fourth Proportional to 21,020.24, 31,536.54 and 6,229.58

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Solution

The fourth proportional to 21,020.24, 31,536.54 and 6,229.58 is: 9,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,020.24 : 31,536.54 = 6,229.58 : x
  2. Step 2: Convert to fraction form
    21,020.24/31,536.54 = 6,229.58/x
  3. Step 3: Cross multiply
    21,020.24x = 31,536.54 × 6,229.58
  4. Step 4: Simplify right side
    21,020.24x = 196,459,398.85
  5. Step 5: Solve for x
    x = 196,459,398.85/21,020.24
  6. Step 6: Final answer
    x = 9,346.20

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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.