Home / 18,262.56-25,199.40-10,302.96

Finding the Fourth Proportional to 18,262.56, 25,199.40 and 10,302.96

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Solution

The fourth proportional to 18,262.56, 25,199.40 and 10,302.96 is: 14,216.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.56 : 25,199.40 = 10,302.96 : x
  2. Step 2: Convert to fraction form
    18,262.56/25,199.40 = 10,302.96/x
  3. Step 3: Cross multiply
    18,262.56x = 25,199.40 × 10,302.96
  4. Step 4: Simplify right side
    18,262.56x = 259,628,410.22
  5. Step 5: Solve for x
    x = 259,628,410.22/18,262.56
  6. Step 6: Final answer
    x = 14,216.43

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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.