Home / 19,371.44-29,050.14-8,278.90

Finding the Fourth Proportional to 19,371.44, 29,050.14 and 8,278.90

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Solution

The fourth proportional to 19,371.44, 29,050.14 and 8,278.90 is: 12,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.44 : 29,050.14 = 8,278.90 : x
  2. Step 2: Convert to fraction form
    19,371.44/29,050.14 = 8,278.90/x
  3. Step 3: Cross multiply
    19,371.44x = 29,050.14 × 8,278.90
  4. Step 4: Simplify right side
    19,371.44x = 240,503,204.05
  5. Step 5: Solve for x
    x = 240,503,204.05/19,371.44
  6. Step 6: Final answer
    x = 12,415.35

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1.5x scale

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.