Home / 13,235.41-19,846.82-7,690.35

Finding the Fourth Proportional to 13,235.41, 19,846.82 and 7,690.35

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Solution

The fourth proportional to 13,235.41, 19,846.82 and 7,690.35 is: 11,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.41 : 19,846.82 = 7,690.35 : x
  2. Step 2: Convert to fraction form
    13,235.41/19,846.82 = 7,690.35/x
  3. Step 3: Cross multiply
    13,235.41x = 19,846.82 × 7,690.35
  4. Step 4: Simplify right side
    13,235.41x = 152,629,011.41
  5. Step 5: Solve for x
    x = 152,629,011.41/13,235.41
  6. Step 6: Final answer
    x = 11,531.87

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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.