Home / 21,265.20-31,912.92-9,588.24

Finding the Fourth Proportional to 21,265.20, 31,912.92 and 9,588.24

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Solution

The fourth proportional to 21,265.20, 31,912.92 and 9,588.24 is: 14,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,265.20 : 31,912.92 = 9,588.24 : x
  2. Step 2: Convert to fraction form
    21,265.20/31,912.92 = 9,588.24/x
  3. Step 3: Cross multiply
    21,265.20x = 31,912.92 × 9,588.24
  4. Step 4: Simplify right side
    21,265.20x = 305,988,736.06
  5. Step 5: Solve for x
    x = 305,988,736.06/21,265.20
  6. Step 6: Final answer
    x = 14,389.18

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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.