Home / 14,253.06-21,382.16-4,890.66

Finding the Fourth Proportional to 14,253.06, 21,382.16 and 4,890.66

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Solution

The fourth proportional to 14,253.06, 21,382.16 and 4,890.66 is: 7,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.06 : 21,382.16 = 4,890.66 : x
  2. Step 2: Convert to fraction form
    14,253.06/21,382.16 = 4,890.66/x
  3. Step 3: Cross multiply
    14,253.06x = 21,382.16 × 4,890.66
  4. Step 4: Simplify right side
    14,253.06x = 104,572,917.77
  5. Step 5: Solve for x
    x = 104,572,917.77/14,253.06
  6. Step 6: Final answer
    x = 7,336.87

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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.