Home / 12,558.66-18,824.84-4,235.81

Finding the Fourth Proportional to 12,558.66, 18,824.84 and 4,235.81

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Solution

The fourth proportional to 12,558.66, 18,824.84 and 4,235.81 is: 6,349.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.66 : 18,824.84 = 4,235.81 : x
  2. Step 2: Convert to fraction form
    12,558.66/18,824.84 = 4,235.81/x
  3. Step 3: Cross multiply
    12,558.66x = 18,824.84 × 4,235.81
  4. Step 4: Simplify right side
    12,558.66x = 79,738,451.99
  5. Step 5: Solve for x
    x = 79,738,451.99/12,558.66
  6. Step 6: Final answer
    x = 6,349.28

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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.