Home / 13,554.12-20,231.91-11,956.26

Finding the Fourth Proportional to 13,554.12, 20,231.91 and 11,956.26

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Solution

The fourth proportional to 13,554.12, 20,231.91 and 11,956.26 is: 17,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.12 : 20,231.91 = 11,956.26 : x
  2. Step 2: Convert to fraction form
    13,554.12/20,231.91 = 11,956.26/x
  3. Step 3: Cross multiply
    13,554.12x = 20,231.91 × 11,956.26
  4. Step 4: Simplify right side
    13,554.12x = 241,897,916.48
  5. Step 5: Solve for x
    x = 241,897,916.48/13,554.12
  6. Step 6: Final answer
    x = 17,846.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.