Home / 12,970.26-19,455.12-3,736.26

Finding the Fourth Proportional to 12,970.26, 19,455.12 and 3,736.26

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Solution

The fourth proportional to 12,970.26, 19,455.12 and 3,736.26 is: 5,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,970.26 : 19,455.12 = 3,736.26 : x
  2. Step 2: Convert to fraction form
    12,970.26/19,455.12 = 3,736.26/x
  3. Step 3: Cross multiply
    12,970.26x = 19,455.12 × 3,736.26
  4. Step 4: Simplify right side
    12,970.26x = 72,689,386.65
  5. Step 5: Solve for x
    x = 72,689,386.65/12,970.26
  6. Step 6: Final answer
    x = 5,604.31

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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.