Home / 18,519.51-25,551.85-10,558.83

Finding the Fourth Proportional to 18,519.51, 25,551.85 and 10,558.83

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Solution

The fourth proportional to 18,519.51, 25,551.85 and 10,558.83 is: 14,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519.51 : 25,551.85 = 10,558.83 : x
  2. Step 2: Convert to fraction form
    18,519.51/25,551.85 = 10,558.83/x
  3. Step 3: Cross multiply
    18,519.51x = 25,551.85 × 10,558.83
  4. Step 4: Simplify right side
    18,519.51x = 269,797,640.34
  5. Step 5: Solve for x
    x = 269,797,640.34/18,519.51
  6. Step 6: Final answer
    x = 14,568.29

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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.