Home / 18,556.11-25,606.88-10,899.25

Finding the Fourth Proportional to 18,556.11, 25,606.88 and 10,899.25

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Solution

The fourth proportional to 18,556.11, 25,606.88 and 10,899.25 is: 15,040.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,556.11 : 25,606.88 = 10,899.25 : x
  2. Step 2: Convert to fraction form
    18,556.11/25,606.88 = 10,899.25/x
  3. Step 3: Cross multiply
    18,556.11x = 25,606.88 × 10,899.25
  4. Step 4: Simplify right side
    18,556.11x = 279,095,786.84
  5. Step 5: Solve for x
    x = 279,095,786.84/18,556.11
  6. Step 6: Final answer
    x = 15,040.64

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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.