Home / 13,252.79-19,876.11-3,890.29

Finding the Fourth Proportional to 13,252.79, 19,876.11 and 3,890.29

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Solution

The fourth proportional to 13,252.79, 19,876.11 and 3,890.29 is: 5,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.79 : 19,876.11 = 3,890.29 : x
  2. Step 2: Convert to fraction form
    13,252.79/19,876.11 = 3,890.29/x
  3. Step 3: Cross multiply
    13,252.79x = 19,876.11 × 3,890.29
  4. Step 4: Simplify right side
    13,252.79x = 77,323,862.21
  5. Step 5: Solve for x
    x = 77,323,862.21/13,252.79
  6. Step 6: Final answer
    x = 5,834.54

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1.5x scale

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.