Home / 21,324.34-31,991.19-6,534.37

Finding the Fourth Proportional to 21,324.34, 31,991.19 and 6,534.37

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Solution

The fourth proportional to 21,324.34, 31,991.19 and 6,534.37 is: 9,802.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324.34 : 31,991.19 = 6,534.37 : x
  2. Step 2: Convert to fraction form
    21,324.34/31,991.19 = 6,534.37/x
  3. Step 3: Cross multiply
    21,324.34x = 31,991.19 × 6,534.37
  4. Step 4: Simplify right side
    21,324.34x = 209,042,272.20
  5. Step 5: Solve for x
    x = 209,042,272.20/21,324.34
  6. Step 6: Final answer
    x = 9,802.99

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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.