Home / 20,014.45-30,022.28-6,866.63

Finding the Fourth Proportional to 20,014.45, 30,022.28 and 6,866.63

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Solution

The fourth proportional to 20,014.45, 30,022.28 and 6,866.63 is: 10,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.45 : 30,022.28 = 6,866.63 : x
  2. Step 2: Convert to fraction form
    20,014.45/30,022.28 = 6,866.63/x
  3. Step 3: Cross multiply
    20,014.45x = 30,022.28 × 6,866.63
  4. Step 4: Simplify right side
    20,014.45x = 206,151,704.07
  5. Step 5: Solve for x
    x = 206,151,704.07/20,014.45
  6. Step 6: Final answer
    x = 10,300.14

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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.