Home / 13,010.61-19,515.98-3,149.87

Finding the Fourth Proportional to 13,010.61, 19,515.98 and 3,149.87

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Solution

The fourth proportional to 13,010.61, 19,515.98 and 3,149.87 is: 4,724.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.61 : 19,515.98 = 3,149.87 : x
  2. Step 2: Convert to fraction form
    13,010.61/19,515.98 = 3,149.87/x
  3. Step 3: Cross multiply
    13,010.61x = 19,515.98 × 3,149.87
  4. Step 4: Simplify right side
    13,010.61x = 61,472,832.96
  5. Step 5: Solve for x
    x = 61,472,832.96/13,010.61
  6. Step 6: Final answer
    x = 4,724.82

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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.