Home / 18,576.43-25,635.47-10,618.82

Finding the Fourth Proportional to 18,576.43, 25,635.47 and 10,618.82

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Solution

The fourth proportional to 18,576.43, 25,635.47 and 10,618.82 is: 14,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.43 : 25,635.47 = 10,618.82 : x
  2. Step 2: Convert to fraction form
    18,576.43/25,635.47 = 10,618.82/x
  3. Step 3: Cross multiply
    18,576.43x = 25,635.47 × 10,618.82
  4. Step 4: Simplify right side
    18,576.43x = 272,218,388.45
  5. Step 5: Solve for x
    x = 272,218,388.45/18,576.43
  6. Step 6: Final answer
    x = 14,653.97

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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.