Home / 18,743.35-25,865.93-10,245.49

Finding the Fourth Proportional to 18,743.35, 25,865.93 and 10,245.49

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Solution

The fourth proportional to 18,743.35, 25,865.93 and 10,245.49 is: 14,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.35 : 25,865.93 = 10,245.49 : x
  2. Step 2: Convert to fraction form
    18,743.35/25,865.93 = 10,245.49/x
  3. Step 3: Cross multiply
    18,743.35x = 25,865.93 × 10,245.49
  4. Step 4: Simplify right side
    18,743.35x = 265,009,127.16
  5. Step 5: Solve for x
    x = 265,009,127.16/18,743.35
  6. Step 6: Final answer
    x = 14,138.83

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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.