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Finding the Fourth Proportional to 12,601.86, 18,908.94 and 8,927.70

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Solution

The fourth proportional to 12,601.86, 18,908.94 and 8,927.70 is: 13,395.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.86 : 18,908.94 = 8,927.70 : x
  2. Step 2: Convert to fraction form
    12,601.86/18,908.94 = 8,927.70/x
  3. Step 3: Cross multiply
    12,601.86x = 18,908.94 × 8,927.70
  4. Step 4: Simplify right side
    12,601.86x = 168,813,343.64
  5. Step 5: Solve for x
    x = 168,813,343.64/12,601.86
  6. Step 6: Final answer
    x = 13,395.91

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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.