Home / 10,612.30-15,923.62-4,286.92

Finding the Fourth Proportional to 10,612.30, 15,923.62 and 4,286.92

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Solution

The fourth proportional to 10,612.30, 15,923.62 and 4,286.92 is: 6,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.30 : 15,923.62 = 4,286.92 : x
  2. Step 2: Convert to fraction form
    10,612.30/15,923.62 = 4,286.92/x
  3. Step 3: Cross multiply
    10,612.30x = 15,923.62 × 4,286.92
  4. Step 4: Simplify right side
    10,612.30x = 68,263,285.05
  5. Step 5: Solve for x
    x = 68,263,285.05/10,612.30
  6. Step 6: Final answer
    x = 6,432.47

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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.