Home / 18,622.24-25,699.08-10,238.88

Finding the Fourth Proportional to 18,622.24, 25,699.08 and 10,238.88

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Solution

The fourth proportional to 18,622.24, 25,699.08 and 10,238.88 is: 14,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.24 : 25,699.08 = 10,238.88 : x
  2. Step 2: Convert to fraction form
    18,622.24/25,699.08 = 10,238.88/x
  3. Step 3: Cross multiply
    18,622.24x = 25,699.08 × 10,238.88
  4. Step 4: Simplify right side
    18,622.24x = 263,129,796.23
  5. Step 5: Solve for x
    x = 263,129,796.23/18,622.24
  6. Step 6: Final answer
    x = 14,129.87

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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.