Home / 11,242.12-16,858.68-4,663.84

Finding the Fourth Proportional to 11,242.12, 16,858.68 and 4,663.84

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Solution

The fourth proportional to 11,242.12, 16,858.68 and 4,663.84 is: 6,993.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.12 : 16,858.68 = 4,663.84 : x
  2. Step 2: Convert to fraction form
    11,242.12/16,858.68 = 4,663.84/x
  3. Step 3: Cross multiply
    11,242.12x = 16,858.68 × 4,663.84
  4. Step 4: Simplify right side
    11,242.12x = 78,626,186.13
  5. Step 5: Solve for x
    x = 78,626,186.13/11,242.12
  6. Step 6: Final answer
    x = 6,993.89

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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.