Home / 12,674.24-19,012.32-3,440

Finding the Fourth Proportional to 12,674.24, 19,012.32 and 3,440

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Solution

The fourth proportional to 12,674.24, 19,012.32 and 3,440 is: 5,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.24 : 19,012.32 = 3,440 : x
  2. Step 2: Convert to fraction form
    12,674.24/19,012.32 = 3,440/x
  3. Step 3: Cross multiply
    12,674.24x = 19,012.32 × 3,440
  4. Step 4: Simplify right side
    12,674.24x = 65,402,380.80
  5. Step 5: Solve for x
    x = 65,402,380.80/12,674.24
  6. Step 6: Final answer
    x = 5,160.26

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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.