Home / 20,817.09-31,220.78-6,022.04

Finding the Fourth Proportional to 20,817.09, 31,220.78 and 6,022.04

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Solution

The fourth proportional to 20,817.09, 31,220.78 and 6,022.04 is: 9,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,817.09 : 31,220.78 = 6,022.04 : x
  2. Step 2: Convert to fraction form
    20,817.09/31,220.78 = 6,022.04/x
  3. Step 3: Cross multiply
    20,817.09x = 31,220.78 × 6,022.04
  4. Step 4: Simplify right side
    20,817.09x = 188,012,599.78
  5. Step 5: Solve for x
    x = 188,012,599.78/20,817.09
  6. Step 6: Final answer
    x = 9,031.65

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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.