Home / 13,309.26-18,367.62-7,340.94

Finding the Fourth Proportional to 13,309.26, 18,367.62 and 7,340.94

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Solution

The fourth proportional to 13,309.26, 18,367.62 and 7,340.94 is: 10,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.26 : 18,367.62 = 7,340.94 : x
  2. Step 2: Convert to fraction form
    13,309.26/18,367.62 = 7,340.94/x
  3. Step 3: Cross multiply
    13,309.26x = 18,367.62 × 7,340.94
  4. Step 4: Simplify right side
    13,309.26x = 134,835,467.82
  5. Step 5: Solve for x
    x = 134,835,467.82/13,309.26
  6. Step 6: Final answer
    x = 10,130.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.