Home / 21,427.44-29,567.24-11,866.60

Finding the Fourth Proportional to 21,427.44, 29,567.24 and 11,866.60

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Solution

The fourth proportional to 21,427.44, 29,567.24 and 11,866.60 is: 16,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,427.44 : 29,567.24 = 11,866.60 : x
  2. Step 2: Convert to fraction form
    21,427.44/29,567.24 = 11,866.60/x
  3. Step 3: Cross multiply
    21,427.44x = 29,567.24 × 11,866.60
  4. Step 4: Simplify right side
    21,427.44x = 350,862,610.18
  5. Step 5: Solve for x
    x = 350,862,610.18/21,427.44
  6. Step 6: Final answer
    x = 16,374.45

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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.