Home / 23,430.92-35,151.44-8,639.91

Finding the Fourth Proportional to 23,430.92, 35,151.44 and 8,639.91

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Solution

The fourth proportional to 23,430.92, 35,151.44 and 8,639.91 is: 12,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.92 : 35,151.44 = 8,639.91 : x
  2. Step 2: Convert to fraction form
    23,430.92/35,151.44 = 8,639.91/x
  3. Step 3: Cross multiply
    23,430.92x = 35,151.44 × 8,639.91
  4. Step 4: Simplify right side
    23,430.92x = 303,705,234.77
  5. Step 5: Solve for x
    x = 303,705,234.77/23,430.92
  6. Step 6: Final answer
    x = 12,961.73

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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.