Home / 12,625.70-18,952.40-5,235.34

Finding the Fourth Proportional to 12,625.70, 18,952.40 and 5,235.34

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Solution

The fourth proportional to 12,625.70, 18,952.40 and 5,235.34 is: 7,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.70 : 18,952.40 = 5,235.34 : x
  2. Step 2: Convert to fraction form
    12,625.70/18,952.40 = 5,235.34/x
  3. Step 3: Cross multiply
    12,625.70x = 18,952.40 × 5,235.34
  4. Step 4: Simplify right side
    12,625.70x = 99,222,257.82
  5. Step 5: Solve for x
    x = 99,222,257.82/12,625.70
  6. Step 6: Final answer
    x = 7,858.75

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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.