Home / 18,669.69-25,764.09-10,171.79

Finding the Fourth Proportional to 18,669.69, 25,764.09 and 10,171.79

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Solution

The fourth proportional to 18,669.69, 25,764.09 and 10,171.79 is: 14,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.69 : 25,764.09 = 10,171.79 : x
  2. Step 2: Convert to fraction form
    18,669.69/25,764.09 = 10,171.79/x
  3. Step 3: Cross multiply
    18,669.69x = 25,764.09 × 10,171.79
  4. Step 4: Simplify right side
    18,669.69x = 262,066,913.02
  5. Step 5: Solve for x
    x = 262,066,913.02/18,669.69
  6. Step 6: Final answer
    x = 14,037.03

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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.