Home / 12,455.94-18,685.66-4,664

Finding the Fourth Proportional to 12,455.94, 18,685.66 and 4,664

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Solution

The fourth proportional to 12,455.94, 18,685.66 and 4,664 is: 6,996.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455.94 : 18,685.66 = 4,664 : x
  2. Step 2: Convert to fraction form
    12,455.94/18,685.66 = 4,664/x
  3. Step 3: Cross multiply
    12,455.94x = 18,685.66 × 4,664
  4. Step 4: Simplify right side
    12,455.94x = 87,149,918.24
  5. Step 5: Solve for x
    x = 87,149,918.24/12,455.94
  6. Step 6: Final answer
    x = 6,996.66

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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.