Home / 23,245.79-34,878.74-8,456.81

Finding the Fourth Proportional to 23,245.79, 34,878.74 and 8,456.81

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Solution

The fourth proportional to 23,245.79, 34,878.74 and 8,456.81 is: 12,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,245.79 : 34,878.74 = 8,456.81 : x
  2. Step 2: Convert to fraction form
    23,245.79/34,878.74 = 8,456.81/x
  3. Step 3: Cross multiply
    23,245.79x = 34,878.74 × 8,456.81
  4. Step 4: Simplify right side
    23,245.79x = 294,962,660.54
  5. Step 5: Solve for x
    x = 294,962,660.54/23,245.79
  6. Step 6: Final answer
    x = 12,688.87

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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.