Home / 18,504.86-25,537.30-10,121.36

Finding the Fourth Proportional to 18,504.86, 25,537.30 and 10,121.36

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Solution

The fourth proportional to 18,504.86, 25,537.30 and 10,121.36 is: 13,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504.86 : 25,537.30 = 10,121.36 : x
  2. Step 2: Convert to fraction form
    18,504.86/25,537.30 = 10,121.36/x
  3. Step 3: Cross multiply
    18,504.86x = 25,537.30 × 10,121.36
  4. Step 4: Simplify right side
    18,504.86x = 258,472,053.74
  5. Step 5: Solve for x
    x = 258,472,053.74/18,504.86
  6. Step 6: Final answer
    x = 13,967.80

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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.