Home / 14,257.06-21,386.67-3,869.62

Finding the Fourth Proportional to 14,257.06, 21,386.67 and 3,869.62

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Solution

The fourth proportional to 14,257.06, 21,386.67 and 3,869.62 is: 5,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.06 : 21,386.67 = 3,869.62 : x
  2. Step 2: Convert to fraction form
    14,257.06/21,386.67 = 3,869.62/x
  3. Step 3: Cross multiply
    14,257.06x = 21,386.67 × 3,869.62
  4. Step 4: Simplify right side
    14,257.06x = 82,758,285.97
  5. Step 5: Solve for x
    x = 82,758,285.97/14,257.06
  6. Step 6: Final answer
    x = 5,804.72

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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.