Home / 19,438.74-26,815.86-12,367.44

Finding the Fourth Proportional to 19,438.74, 26,815.86 and 12,367.44

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Solution

The fourth proportional to 19,438.74, 26,815.86 and 12,367.44 is: 17,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.74 : 26,815.86 = 12,367.44 : x
  2. Step 2: Convert to fraction form
    19,438.74/26,815.86 = 12,367.44/x
  3. Step 3: Cross multiply
    19,438.74x = 26,815.86 × 12,367.44
  4. Step 4: Simplify right side
    19,438.74x = 331,643,539.60
  5. Step 5: Solve for x
    x = 331,643,539.60/19,438.74
  6. Step 6: Final answer
    x = 17,060.96

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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.