Home / 11,855.23-17,769.34-3,955.89

Finding the Fourth Proportional to 11,855.23, 17,769.34 and 3,955.89

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Solution

The fourth proportional to 11,855.23, 17,769.34 and 3,955.89 is: 5,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.23 : 17,769.34 = 3,955.89 : x
  2. Step 2: Convert to fraction form
    11,855.23/17,769.34 = 3,955.89/x
  3. Step 3: Cross multiply
    11,855.23x = 17,769.34 × 3,955.89
  4. Step 4: Simplify right side
    11,855.23x = 70,293,526.04
  5. Step 5: Solve for x
    x = 70,293,526.04/11,855.23
  6. Step 6: Final answer
    x = 5,929.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.