Home / 13,010.58-19,515.90-3,149.82

Finding the Fourth Proportional to 13,010.58, 19,515.90 and 3,149.82

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Solution

The fourth proportional to 13,010.58, 19,515.90 and 3,149.82 is: 4,724.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.58 : 19,515.90 = 3,149.82 : x
  2. Step 2: Convert to fraction form
    13,010.58/19,515.90 = 3,149.82/x
  3. Step 3: Cross multiply
    13,010.58x = 19,515.90 × 3,149.82
  4. Step 4: Simplify right side
    13,010.58x = 61,471,572.14
  5. Step 5: Solve for x
    x = 61,471,572.14/13,010.58
  6. Step 6: Final answer
    x = 4,724.74

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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.