Home / 12,263.36-18,273.24-11,668.28

Finding the Fourth Proportional to 12,263.36, 18,273.24 and 11,668.28

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Solution

The fourth proportional to 12,263.36, 18,273.24 and 11,668.28 is: 17,386.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.36 : 18,273.24 = 11,668.28 : x
  2. Step 2: Convert to fraction form
    12,263.36/18,273.24 = 11,668.28/x
  3. Step 3: Cross multiply
    12,263.36x = 18,273.24 × 11,668.28
  4. Step 4: Simplify right side
    12,263.36x = 213,217,280.83
  5. Step 5: Solve for x
    x = 213,217,280.83/12,263.36
  6. Step 6: Final answer
    x = 17,386.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.