Home / 18,022.40-27,029.26-8,021.74

Finding the Fourth Proportional to 18,022.40, 27,029.26 and 8,021.74

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Solution

The fourth proportional to 18,022.40, 27,029.26 and 8,021.74 is: 12,030.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.40 : 27,029.26 = 8,021.74 : x
  2. Step 2: Convert to fraction form
    18,022.40/27,029.26 = 8,021.74/x
  3. Step 3: Cross multiply
    18,022.40x = 27,029.26 × 8,021.74
  4. Step 4: Simplify right side
    18,022.40x = 216,821,696.11
  5. Step 5: Solve for x
    x = 216,821,696.11/18,022.40
  6. Step 6: Final answer
    x = 12,030.68

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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.