Home / 18,631.56-25,711.50-10,248

Finding the Fourth Proportional to 18,631.56, 25,711.50 and 10,248

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Solution

The fourth proportional to 18,631.56, 25,711.50 and 10,248 is: 14,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.56 : 25,711.50 = 10,248 : x
  2. Step 2: Convert to fraction form
    18,631.56/25,711.50 = 10,248/x
  3. Step 3: Cross multiply
    18,631.56x = 25,711.50 × 10,248
  4. Step 4: Simplify right side
    18,631.56x = 263,491,452
  5. Step 5: Solve for x
    x = 263,491,452/18,631.56
  6. Step 6: Final answer
    x = 14,142.21

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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.