Home / 12,071.06-18,100.66-5,048.97

Finding the Fourth Proportional to 12,071.06, 18,100.66 and 5,048.97

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Solution

The fourth proportional to 12,071.06, 18,100.66 and 5,048.97 is: 7,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.06 : 18,100.66 = 5,048.97 : x
  2. Step 2: Convert to fraction form
    12,071.06/18,100.66 = 5,048.97/x
  3. Step 3: Cross multiply
    12,071.06x = 18,100.66 × 5,048.97
  4. Step 4: Simplify right side
    12,071.06x = 91,389,573.57
  5. Step 5: Solve for x
    x = 91,389,573.57/12,071.06
  6. Step 6: Final answer
    x = 7,570.97

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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.