Home / 20,276.46-30,415.77-6,426.54

Finding the Fourth Proportional to 20,276.46, 30,415.77 and 6,426.54

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Solution

The fourth proportional to 20,276.46, 30,415.77 and 6,426.54 is: 9,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.46 : 30,415.77 = 6,426.54 : x
  2. Step 2: Convert to fraction form
    20,276.46/30,415.77 = 6,426.54/x
  3. Step 3: Cross multiply
    20,276.46x = 30,415.77 × 6,426.54
  4. Step 4: Simplify right side
    20,276.46x = 195,468,162.54
  5. Step 5: Solve for x
    x = 195,468,162.54/20,276.46
  6. Step 6: Final answer
    x = 9,640.15

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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.