Home / 14,665.86-20,238.66-7,951.50

Finding the Fourth Proportional to 14,665.86, 20,238.66 and 7,951.50

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Solution

The fourth proportional to 14,665.86, 20,238.66 and 7,951.50 is: 10,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.86 : 20,238.66 = 7,951.50 : x
  2. Step 2: Convert to fraction form
    14,665.86/20,238.66 = 7,951.50/x
  3. Step 3: Cross multiply
    14,665.86x = 20,238.66 × 7,951.50
  4. Step 4: Simplify right side
    14,665.86x = 160,927,704.99
  5. Step 5: Solve for x
    x = 160,927,704.99/14,665.86
  6. Step 6: Final answer
    x = 10,972.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.