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Finding the Fourth Proportional to 20,014.40, 30,024.86 and 6,163.40

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Solution

The fourth proportional to 20,014.40, 30,024.86 and 6,163.40 is: 9,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,014.40 : 30,024.86 = 6,163.40 : x
  2. Step 2: Convert to fraction form
    20,014.40/30,024.86 = 6,163.40/x
  3. Step 3: Cross multiply
    20,014.40x = 30,024.86 × 6,163.40
  4. Step 4: Simplify right side
    20,014.40x = 185,055,041.18
  5. Step 5: Solve for x
    x = 185,055,041.18/20,014.40
  6. Step 6: Final answer
    x = 9,246.10

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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.