Home / 12,826.60-19,205.15-6,657.64

Finding the Fourth Proportional to 12,826.60, 19,205.15 and 6,657.64

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Solution

The fourth proportional to 12,826.60, 19,205.15 and 6,657.64 is: 9,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.60 : 19,205.15 = 6,657.64 : x
  2. Step 2: Convert to fraction form
    12,826.60/19,205.15 = 6,657.64/x
  3. Step 3: Cross multiply
    12,826.60x = 19,205.15 × 6,657.64
  4. Step 4: Simplify right side
    12,826.60x = 127,860,941.56
  5. Step 5: Solve for x
    x = 127,860,941.56/12,826.60
  6. Step 6: Final answer
    x = 9,968.42

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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.