Home / 21,106.37-29,125.62-11,544.36

Finding the Fourth Proportional to 21,106.37, 29,125.62 and 11,544.36

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Solution

The fourth proportional to 21,106.37, 29,125.62 and 11,544.36 is: 15,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,106.37 : 29,125.62 = 11,544.36 : x
  2. Step 2: Convert to fraction form
    21,106.37/29,125.62 = 11,544.36/x
  3. Step 3: Cross multiply
    21,106.37x = 29,125.62 × 11,544.36
  4. Step 4: Simplify right side
    21,106.37x = 336,236,642.50
  5. Step 5: Solve for x
    x = 336,236,642.50/21,106.37
  6. Step 6: Final answer
    x = 15,930.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.