Home / 12,766.60-19,148.36-3,407.32

Finding the Fourth Proportional to 12,766.60, 19,148.36 and 3,407.32

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Solution

The fourth proportional to 12,766.60, 19,148.36 and 3,407.32 is: 5,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.60 : 19,148.36 = 3,407.32 : x
  2. Step 2: Convert to fraction form
    12,766.60/19,148.36 = 3,407.32/x
  3. Step 3: Cross multiply
    12,766.60x = 19,148.36 × 3,407.32
  4. Step 4: Simplify right side
    12,766.60x = 65,244,590.00
  5. Step 5: Solve for x
    x = 65,244,590.00/12,766.60
  6. Step 6: Final answer
    x = 5,110.57

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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.