Home / 14,179.82-19,567.32-8,211.07

Finding the Fourth Proportional to 14,179.82, 19,567.32 and 8,211.07

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Solution

The fourth proportional to 14,179.82, 19,567.32 and 8,211.07 is: 11,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.82 : 19,567.32 = 8,211.07 : x
  2. Step 2: Convert to fraction form
    14,179.82/19,567.32 = 8,211.07/x
  3. Step 3: Cross multiply
    14,179.82x = 19,567.32 × 8,211.07
  4. Step 4: Simplify right side
    14,179.82x = 160,668,536.40
  5. Step 5: Solve for x
    x = 160,668,536.40/14,179.82
  6. Step 6: Final answer
    x = 11,330.79

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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.