Home / 21,204.60-31,806.90-5,622.23

Finding the Fourth Proportional to 21,204.60, 31,806.90 and 5,622.23

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Solution

The fourth proportional to 21,204.60, 31,806.90 and 5,622.23 is: 8,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204.60 : 31,806.90 = 5,622.23 : x
  2. Step 2: Convert to fraction form
    21,204.60/31,806.90 = 5,622.23/x
  3. Step 3: Cross multiply
    21,204.60x = 31,806.90 × 5,622.23
  4. Step 4: Simplify right side
    21,204.60x = 178,825,548.35
  5. Step 5: Solve for x
    x = 178,825,548.35/21,204.60
  6. Step 6: Final answer
    x = 8,433.34

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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.