Home / 18,221.64-25,147.14-10,264.56

Finding the Fourth Proportional to 18,221.64, 25,147.14 and 10,264.56

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Solution

The fourth proportional to 18,221.64, 25,147.14 and 10,264.56 is: 14,165.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,221.64 : 25,147.14 = 10,264.56 : x
  2. Step 2: Convert to fraction form
    18,221.64/25,147.14 = 10,264.56/x
  3. Step 3: Cross multiply
    18,221.64x = 25,147.14 × 10,264.56
  4. Step 4: Simplify right side
    18,221.64x = 258,124,327.36
  5. Step 5: Solve for x
    x = 258,124,327.36/18,221.64
  6. Step 6: Final answer
    x = 14,165.81

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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.