Home / 18,424.56-25,426.31-10,872.74

Finding the Fourth Proportional to 18,424.56, 25,426.31 and 10,872.74

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Solution

The fourth proportional to 18,424.56, 25,426.31 and 10,872.74 is: 15,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.56 : 25,426.31 = 10,872.74 : x
  2. Step 2: Convert to fraction form
    18,424.56/25,426.31 = 10,872.74/x
  3. Step 3: Cross multiply
    18,424.56x = 25,426.31 × 10,872.74
  4. Step 4: Simplify right side
    18,424.56x = 276,453,476.29
  5. Step 5: Solve for x
    x = 276,453,476.29/18,424.56
  6. Step 6: Final answer
    x = 15,004.62

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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.