Home / 18,118.40-25,004.66-10,054.69

Finding the Fourth Proportional to 18,118.40, 25,004.66 and 10,054.69

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Solution

The fourth proportional to 18,118.40, 25,004.66 and 10,054.69 is: 13,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.40 : 25,004.66 = 10,054.69 : x
  2. Step 2: Convert to fraction form
    18,118.40/25,004.66 = 10,054.69/x
  3. Step 3: Cross multiply
    18,118.40x = 25,004.66 × 10,054.69
  4. Step 4: Simplify right side
    18,118.40x = 251,413,992.07
  5. Step 5: Solve for x
    x = 251,413,992.07/18,118.40
  6. Step 6: Final answer
    x = 13,876.17

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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.