Home / 20,025.05-30,037.53-8,184.38

Finding the Fourth Proportional to 20,025.05, 30,037.53 and 8,184.38

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Solution

The fourth proportional to 20,025.05, 30,037.53 and 8,184.38 is: 12,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.05 : 30,037.53 = 8,184.38 : x
  2. Step 2: Convert to fraction form
    20,025.05/30,037.53 = 8,184.38/x
  3. Step 3: Cross multiply
    20,025.05x = 30,037.53 × 8,184.38
  4. Step 4: Simplify right side
    20,025.05x = 245,838,409.59
  5. Step 5: Solve for x
    x = 245,838,409.59/20,025.05
  6. Step 6: Final answer
    x = 12,276.55

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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.