Home / 18,743.21-25,865.14-10,245.35

Finding the Fourth Proportional to 18,743.21, 25,865.14 and 10,245.35

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Solution

The fourth proportional to 18,743.21, 25,865.14 and 10,245.35 is: 14,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.21 : 25,865.14 = 10,245.35 : x
  2. Step 2: Convert to fraction form
    18,743.21/25,865.14 = 10,245.35/x
  3. Step 3: Cross multiply
    18,743.21x = 25,865.14 × 10,245.35
  4. Step 4: Simplify right side
    18,743.21x = 264,997,347.44
  5. Step 5: Solve for x
    x = 264,997,347.44/18,743.21
  6. Step 6: Final answer
    x = 14,138.32

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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.