Home / 18,297.84-25,249.70-10,640.37

Finding the Fourth Proportional to 18,297.84, 25,249.70 and 10,640.37

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Solution

The fourth proportional to 18,297.84, 25,249.70 and 10,640.37 is: 14,682.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.84 : 25,249.70 = 10,640.37 : x
  2. Step 2: Convert to fraction form
    18,297.84/25,249.70 = 10,640.37/x
  3. Step 3: Cross multiply
    18,297.84x = 25,249.70 × 10,640.37
  4. Step 4: Simplify right side
    18,297.84x = 268,666,097.19
  5. Step 5: Solve for x
    x = 268,666,097.19/18,297.84
  6. Step 6: Final answer
    x = 14,682.94

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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.