Home / 14,181.45-19,569.56-8,212.69

Finding the Fourth Proportional to 14,181.45, 19,569.56 and 8,212.69

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Solution

The fourth proportional to 14,181.45, 19,569.56 and 8,212.69 is: 11,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.45 : 19,569.56 = 8,212.69 : x
  2. Step 2: Convert to fraction form
    14,181.45/19,569.56 = 8,212.69/x
  3. Step 3: Cross multiply
    14,181.45x = 19,569.56 × 8,212.69
  4. Step 4: Simplify right side
    14,181.45x = 160,718,729.72
  5. Step 5: Solve for x
    x = 160,718,729.72/14,181.45
  6. Step 6: Final answer
    x = 11,333.03

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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.