Home / 16,828.43-25,243.56-12,135.51

Finding the Fourth Proportional to 16,828.43, 25,243.56 and 12,135.51

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Solution

The fourth proportional to 16,828.43, 25,243.56 and 12,135.51 is: 18,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.43 : 25,243.56 = 12,135.51 : x
  2. Step 2: Convert to fraction form
    16,828.43/25,243.56 = 12,135.51/x
  3. Step 3: Cross multiply
    16,828.43x = 25,243.56 × 12,135.51
  4. Step 4: Simplify right side
    16,828.43x = 306,343,474.82
  5. Step 5: Solve for x
    x = 306,343,474.82/16,828.43
  6. Step 6: Final answer
    x = 18,203.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.