Home / 11,255.70-16,890.99-4,681.89

Finding the Fourth Proportional to 11,255.70, 16,890.99 and 4,681.89

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Solution

The fourth proportional to 11,255.70, 16,890.99 and 4,681.89 is: 7,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.70 : 16,890.99 = 4,681.89 : x
  2. Step 2: Convert to fraction form
    11,255.70/16,890.99 = 4,681.89/x
  3. Step 3: Cross multiply
    11,255.70x = 16,890.99 × 4,681.89
  4. Step 4: Simplify right side
    11,255.70x = 79,081,757.17
  5. Step 5: Solve for x
    x = 79,081,757.17/11,255.70
  6. Step 6: Final answer
    x = 7,025.93

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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.