Home / 12,891.06-19,333.44-4,124.16

Finding the Fourth Proportional to 12,891.06, 19,333.44 and 4,124.16

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Solution

The fourth proportional to 12,891.06, 19,333.44 and 4,124.16 is: 6,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,891.06 : 19,333.44 = 4,124.16 : x
  2. Step 2: Convert to fraction form
    12,891.06/19,333.44 = 4,124.16/x
  3. Step 3: Cross multiply
    12,891.06x = 19,333.44 × 4,124.16
  4. Step 4: Simplify right side
    12,891.06x = 79,734,199.91
  5. Step 5: Solve for x
    x = 79,734,199.91/12,891.06
  6. Step 6: Final answer
    x = 6,185.23

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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.