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Finding the Fourth Proportional to 18,132, 25,022.82 and 10,577.16

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Solution

The fourth proportional to 18,132, 25,022.82 and 10,577.16 is: 14,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132 : 25,022.82 = 10,577.16 : x
  2. Step 2: Convert to fraction form
    18,132/25,022.82 = 10,577.16/x
  3. Step 3: Cross multiply
    18,132x = 25,022.82 × 10,577.16
  4. Step 4: Simplify right side
    18,132x = 264,670,370.79
  5. Step 5: Solve for x
    x = 264,670,370.79/18,132
  6. Step 6: Final answer
    x = 14,596.87

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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.