Home / 12,042.07-18,055.91-4,640.39

Finding the Fourth Proportional to 12,042.07, 18,055.91 and 4,640.39

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Solution

The fourth proportional to 12,042.07, 18,055.91 and 4,640.39 is: 6,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.07 : 18,055.91 = 4,640.39 : x
  2. Step 2: Convert to fraction form
    12,042.07/18,055.91 = 4,640.39/x
  3. Step 3: Cross multiply
    12,042.07x = 18,055.91 × 4,640.39
  4. Step 4: Simplify right side
    12,042.07x = 83,786,453.24
  5. Step 5: Solve for x
    x = 83,786,453.24/12,042.07
  6. Step 6: Final answer
    x = 6,957.81

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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.