Home / 13,436.14-18,542.16-7,467.70

Finding the Fourth Proportional to 13,436.14, 18,542.16 and 7,467.70

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Solution

The fourth proportional to 13,436.14, 18,542.16 and 7,467.70 is: 10,305.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.14 : 18,542.16 = 7,467.70 : x
  2. Step 2: Convert to fraction form
    13,436.14/18,542.16 = 7,467.70/x
  3. Step 3: Cross multiply
    13,436.14x = 18,542.16 × 7,467.70
  4. Step 4: Simplify right side
    13,436.14x = 138,467,288.23
  5. Step 5: Solve for x
    x = 138,467,288.23/13,436.14
  6. Step 6: Final answer
    x = 10,305.59

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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.