Home / 18,142.74-25,040.94-13,051.86

Finding the Fourth Proportional to 18,142.74, 25,040.94 and 13,051.86

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Solution

The fourth proportional to 18,142.74, 25,040.94 and 13,051.86 is: 18,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.74 : 25,040.94 = 13,051.86 : x
  2. Step 2: Convert to fraction form
    18,142.74/25,040.94 = 13,051.86/x
  3. Step 3: Cross multiply
    18,142.74x = 25,040.94 × 13,051.86
  4. Step 4: Simplify right side
    18,142.74x = 326,830,843.15
  5. Step 5: Solve for x
    x = 326,830,843.15/18,142.74
  6. Step 6: Final answer
    x = 18,014.41

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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.