Home / 18,857.10-26,021.79-11,303.73

Finding the Fourth Proportional to 18,857.10, 26,021.79 and 11,303.73

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Solution

The fourth proportional to 18,857.10, 26,021.79 and 11,303.73 is: 15,598.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.10 : 26,021.79 = 11,303.73 : x
  2. Step 2: Convert to fraction form
    18,857.10/26,021.79 = 11,303.73/x
  3. Step 3: Cross multiply
    18,857.10x = 26,021.79 × 11,303.73
  4. Step 4: Simplify right side
    18,857.10x = 294,143,288.28
  5. Step 5: Solve for x
    x = 294,143,288.28/18,857.10
  6. Step 6: Final answer
    x = 15,598.54

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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.