Home / 25,173.81-34,739.15-13,843.34

Finding the Fourth Proportional to 25,173.81, 34,739.15 and 13,843.34

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Solution

The fourth proportional to 25,173.81, 34,739.15 and 13,843.34 is: 19,103.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.81 : 34,739.15 = 13,843.34 : x
  2. Step 2: Convert to fraction form
    25,173.81/34,739.15 = 13,843.34/x
  3. Step 3: Cross multiply
    25,173.81x = 34,739.15 × 13,843.34
  4. Step 4: Simplify right side
    25,173.81x = 480,905,621.85
  5. Step 5: Solve for x
    x = 480,905,621.85/25,173.81
  6. Step 6: Final answer
    x = 19,103.41

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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.