Home / 14,526.81-21,791.03-4,137.75

Finding the Fourth Proportional to 14,526.81, 21,791.03 and 4,137.75

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Solution

The fourth proportional to 14,526.81, 21,791.03 and 4,137.75 is: 6,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,526.81 : 21,791.03 = 4,137.75 : x
  2. Step 2: Convert to fraction form
    14,526.81/21,791.03 = 4,137.75/x
  3. Step 3: Cross multiply
    14,526.81x = 21,791.03 × 4,137.75
  4. Step 4: Simplify right side
    14,526.81x = 90,165,834.38
  5. Step 5: Solve for x
    x = 90,165,834.38/14,526.81
  6. Step 6: Final answer
    x = 6,206.86

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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.