Home / 13,226.40-19,710.78-12,825.96

Finding the Fourth Proportional to 13,226.40, 19,710.78 and 12,825.96

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Solution

The fourth proportional to 13,226.40, 19,710.78 and 12,825.96 is: 19,114.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.40 : 19,710.78 = 12,825.96 : x
  2. Step 2: Convert to fraction form
    13,226.40/19,710.78 = 12,825.96/x
  3. Step 3: Cross multiply
    13,226.40x = 19,710.78 × 12,825.96
  4. Step 4: Simplify right side
    13,226.40x = 252,809,675.85
  5. Step 5: Solve for x
    x = 252,809,675.85/13,226.40
  6. Step 6: Final answer
    x = 19,114.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.