Home / 18,118.36-25,003.02-10,160.56

Finding the Fourth Proportional to 18,118.36, 25,003.02 and 10,160.56

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Solution

The fourth proportional to 18,118.36, 25,003.02 and 10,160.56 is: 14,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.36 : 25,003.02 = 10,160.56 : x
  2. Step 2: Convert to fraction form
    18,118.36/25,003.02 = 10,160.56/x
  3. Step 3: Cross multiply
    18,118.36x = 25,003.02 × 10,160.56
  4. Step 4: Simplify right side
    18,118.36x = 254,044,684.89
  5. Step 5: Solve for x
    x = 254,044,684.89/18,118.36
  6. Step 6: Final answer
    x = 14,021.40

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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.