Home / 14,240.71-21,360.92-4,379.87

Finding the Fourth Proportional to 14,240.71, 21,360.92 and 4,379.87

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Solution

The fourth proportional to 14,240.71, 21,360.92 and 4,379.87 is: 6,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.71 : 21,360.92 = 4,379.87 : x
  2. Step 2: Convert to fraction form
    14,240.71/21,360.92 = 4,379.87/x
  3. Step 3: Cross multiply
    14,240.71x = 21,360.92 × 4,379.87
  4. Step 4: Simplify right side
    14,240.71x = 93,558,084.18
  5. Step 5: Solve for x
    x = 93,558,084.18/14,240.71
  6. Step 6: Final answer
    x = 6,569.76

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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.