Home / 12,967.08-19,450.41-4,647.57

Finding the Fourth Proportional to 12,967.08, 19,450.41 and 4,647.57

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Solution

The fourth proportional to 12,967.08, 19,450.41 and 4,647.57 is: 6,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967.08 : 19,450.41 = 4,647.57 : x
  2. Step 2: Convert to fraction form
    12,967.08/19,450.41 = 4,647.57/x
  3. Step 3: Cross multiply
    12,967.08x = 19,450.41 × 4,647.57
  4. Step 4: Simplify right side
    12,967.08x = 90,397,142.00
  5. Step 5: Solve for x
    x = 90,397,142.00/12,967.08
  6. Step 6: Final answer
    x = 6,971.28

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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.