Home / 13,250.61-19,874.36-3,389.94

Finding the Fourth Proportional to 13,250.61, 19,874.36 and 3,389.94

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Solution

The fourth proportional to 13,250.61, 19,874.36 and 3,389.94 is: 5,084.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.61 : 19,874.36 = 3,389.94 : x
  2. Step 2: Convert to fraction form
    13,250.61/19,874.36 = 3,389.94/x
  3. Step 3: Cross multiply
    13,250.61x = 19,874.36 × 3,389.94
  4. Step 4: Simplify right side
    13,250.61x = 67,372,887.94
  5. Step 5: Solve for x
    x = 67,372,887.94/13,250.61
  6. Step 6: Final answer
    x = 5,084.51

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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.