Home / 18,269.82-25,203.84-11,565.36

Finding the Fourth Proportional to 18,269.82, 25,203.84 and 11,565.36

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Solution

The fourth proportional to 18,269.82, 25,203.84 and 11,565.36 is: 15,954.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.82 : 25,203.84 = 11,565.36 : x
  2. Step 2: Convert to fraction form
    18,269.82/25,203.84 = 11,565.36/x
  3. Step 3: Cross multiply
    18,269.82x = 25,203.84 × 11,565.36
  4. Step 4: Simplify right side
    18,269.82x = 291,491,482.98
  5. Step 5: Solve for x
    x = 291,491,482.98/18,269.82
  6. Step 6: Final answer
    x = 15,954.81

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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.