Home / 18,424.06-25,429.31-11,708.38

Finding the Fourth Proportional to 18,424.06, 25,429.31 and 11,708.38

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Solution

The fourth proportional to 18,424.06, 25,429.31 and 11,708.38 is: 16,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.06 : 25,429.31 = 11,708.38 : x
  2. Step 2: Convert to fraction form
    18,424.06/25,429.31 = 11,708.38/x
  3. Step 3: Cross multiply
    18,424.06x = 25,429.31 × 11,708.38
  4. Step 4: Simplify right side
    18,424.06x = 297,736,024.62
  5. Step 5: Solve for x
    x = 297,736,024.62/18,424.06
  6. Step 6: Final answer
    x = 16,160.17

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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.