Home / 10,211.08-14,110.62-8,698.42

Finding the Fourth Proportional to 10,211.08, 14,110.62 and 8,698.42

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Solution

The fourth proportional to 10,211.08, 14,110.62 and 8,698.42 is: 12,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.08 : 14,110.62 = 8,698.42 : x
  2. Step 2: Convert to fraction form
    10,211.08/14,110.62 = 8,698.42/x
  3. Step 3: Cross multiply
    10,211.08x = 14,110.62 × 8,698.42
  4. Step 4: Simplify right side
    10,211.08x = 122,740,099.22
  5. Step 5: Solve for x
    x = 122,740,099.22/10,211.08
  6. Step 6: Final answer
    x = 12,020.29

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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.