Home / 13,012.26-17,957.62-7,346.76

Finding the Fourth Proportional to 13,012.26, 17,957.62 and 7,346.76

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Solution

The fourth proportional to 13,012.26, 17,957.62 and 7,346.76 is: 10,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.26 : 17,957.62 = 7,346.76 : x
  2. Step 2: Convert to fraction form
    13,012.26/17,957.62 = 7,346.76/x
  3. Step 3: Cross multiply
    13,012.26x = 17,957.62 × 7,346.76
  4. Step 4: Simplify right side
    13,012.26x = 131,930,324.31
  5. Step 5: Solve for x
    x = 131,930,324.31/13,012.26
  6. Step 6: Final answer
    x = 10,138.92

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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.