Home / 20,004.62-30,003.51-8,314.70

Finding the Fourth Proportional to 20,004.62, 30,003.51 and 8,314.70

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Solution

The fourth proportional to 20,004.62, 30,003.51 and 8,314.70 is: 12,470.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.62 : 30,003.51 = 8,314.70 : x
  2. Step 2: Convert to fraction form
    20,004.62/30,003.51 = 8,314.70/x
  3. Step 3: Cross multiply
    20,004.62x = 30,003.51 × 8,314.70
  4. Step 4: Simplify right side
    20,004.62x = 249,470,184.60
  5. Step 5: Solve for x
    x = 249,470,184.60/20,004.62
  6. Step 6: Final answer
    x = 12,470.63

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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.