Home / 14,535.81-21,806.00-6,215.87

Finding the Fourth Proportional to 14,535.81, 21,806.00 and 6,215.87

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Solution

The fourth proportional to 14,535.81, 21,806.00 and 6,215.87 is: 9,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.81 : 21,806.00 = 6,215.87 : x
  2. Step 2: Convert to fraction form
    14,535.81/21,806.00 = 6,215.87/x
  3. Step 3: Cross multiply
    14,535.81x = 21,806.00 × 6,215.87
  4. Step 4: Simplify right side
    14,535.81x = 135,543,307.97
  5. Step 5: Solve for x
    x = 135,543,307.97/14,535.81
  6. Step 6: Final answer
    x = 9,324.79

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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.