Home / 12,763.60-19,113.22-8,069.36

Finding the Fourth Proportional to 12,763.60, 19,113.22 and 8,069.36

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Solution

The fourth proportional to 12,763.60, 19,113.22 and 8,069.36 is: 12,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763.60 : 19,113.22 = 8,069.36 : x
  2. Step 2: Convert to fraction form
    12,763.60/19,113.22 = 8,069.36/x
  3. Step 3: Cross multiply
    12,763.60x = 19,113.22 × 8,069.36
  4. Step 4: Simplify right side
    12,763.60x = 154,231,452.94
  5. Step 5: Solve for x
    x = 154,231,452.94/12,763.60
  6. Step 6: Final answer
    x = 12,083.70

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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.