Home / 18,857.40-26,021.42-11,302.33

Finding the Fourth Proportional to 18,857.40, 26,021.42 and 11,302.33

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Solution

The fourth proportional to 18,857.40, 26,021.42 and 11,302.33 is: 15,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.40 : 26,021.42 = 11,302.33 : x
  2. Step 2: Convert to fraction form
    18,857.40/26,021.42 = 11,302.33/x
  3. Step 3: Cross multiply
    18,857.40x = 26,021.42 × 11,302.33
  4. Step 4: Simplify right side
    18,857.40x = 294,102,489.29
  5. Step 5: Solve for x
    x = 294,102,489.29/18,857.40
  6. Step 6: Final answer
    x = 15,596.14

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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.