Home / 20,023.88-30,038.24-6,172.88

Finding the Fourth Proportional to 20,023.88, 30,038.24 and 6,172.88

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Solution

The fourth proportional to 20,023.88, 30,038.24 and 6,172.88 is: 9,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.88 : 30,038.24 = 6,172.88 : x
  2. Step 2: Convert to fraction form
    20,023.88/30,038.24 = 6,172.88/x
  3. Step 3: Cross multiply
    20,023.88x = 30,038.24 × 6,172.88
  4. Step 4: Simplify right side
    20,023.88x = 185,422,316.17
  5. Step 5: Solve for x
    x = 185,422,316.17/20,023.88
  6. Step 6: Final answer
    x = 9,260.06

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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.