Home / 18,523.58-25,561.56-10,138.46

Finding the Fourth Proportional to 18,523.58, 25,561.56 and 10,138.46

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Solution

The fourth proportional to 18,523.58, 25,561.56 and 10,138.46 is: 13,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523.58 : 25,561.56 = 10,138.46 : x
  2. Step 2: Convert to fraction form
    18,523.58/25,561.56 = 10,138.46/x
  3. Step 3: Cross multiply
    18,523.58x = 25,561.56 × 10,138.46
  4. Step 4: Simplify right side
    18,523.58x = 259,154,853.60
  5. Step 5: Solve for x
    x = 259,154,853.60/18,523.58
  6. Step 6: Final answer
    x = 13,990.54

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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.