Home / 12,708.36-18,927-11,954.52

Finding the Fourth Proportional to 12,708.36, 18,927 and 11,954.52

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Solution

The fourth proportional to 12,708.36, 18,927 and 11,954.52 is: 17,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.36 : 18,927 = 11,954.52 : x
  2. Step 2: Convert to fraction form
    12,708.36/18,927 = 11,954.52/x
  3. Step 3: Cross multiply
    12,708.36x = 18,927 × 11,954.52
  4. Step 4: Simplify right side
    12,708.36x = 226,263,200.04
  5. Step 5: Solve for x
    x = 226,263,200.04/12,708.36
  6. Step 6: Final answer
    x = 17,804.28

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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.