Home / 18,118.33-25,003.29-10,160.53

Finding the Fourth Proportional to 18,118.33, 25,003.29 and 10,160.53

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Solution

The fourth proportional to 18,118.33, 25,003.29 and 10,160.53 is: 14,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.33 : 25,003.29 = 10,160.53 : x
  2. Step 2: Convert to fraction form
    18,118.33/25,003.29 = 10,160.53/x
  3. Step 3: Cross multiply
    18,118.33x = 25,003.29 × 10,160.53
  4. Step 4: Simplify right side
    18,118.33x = 254,046,678.14
  5. Step 5: Solve for x
    x = 254,046,678.14/18,118.33
  6. Step 6: Final answer
    x = 14,021.53

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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.