Home / 18,119.42-25,005.01-10,053.23

Finding the Fourth Proportional to 18,119.42, 25,005.01 and 10,053.23

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Solution

The fourth proportional to 18,119.42, 25,005.01 and 10,053.23 is: 13,873.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.42 : 25,005.01 = 10,053.23 : x
  2. Step 2: Convert to fraction form
    18,119.42/25,005.01 = 10,053.23/x
  3. Step 3: Cross multiply
    18,119.42x = 25,005.01 × 10,053.23
  4. Step 4: Simplify right side
    18,119.42x = 251,380,991.66
  5. Step 5: Solve for x
    x = 251,380,991.66/18,119.42
  6. Step 6: Final answer
    x = 13,873.57

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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.