Home / 18,123.27-25,010.15-10,165.47

Finding the Fourth Proportional to 18,123.27, 25,010.15 and 10,165.47

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Solution

The fourth proportional to 18,123.27, 25,010.15 and 10,165.47 is: 14,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.27 : 25,010.15 = 10,165.47 : x
  2. Step 2: Convert to fraction form
    18,123.27/25,010.15 = 10,165.47/x
  3. Step 3: Cross multiply
    18,123.27x = 25,010.15 × 10,165.47
  4. Step 4: Simplify right side
    18,123.27x = 254,239,878.69
  5. Step 5: Solve for x
    x = 254,239,878.69/18,123.27
  6. Step 6: Final answer
    x = 14,028.37

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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.