Home / 21,555.06-32,321.62-9,858.25

Finding the Fourth Proportional to 21,555.06, 32,321.62 and 9,858.25

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Solution

The fourth proportional to 21,555.06, 32,321.62 and 9,858.25 is: 14,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,555.06 : 32,321.62 = 9,858.25 : x
  2. Step 2: Convert to fraction form
    21,555.06/32,321.62 = 9,858.25/x
  3. Step 3: Cross multiply
    21,555.06x = 32,321.62 × 9,858.25
  4. Step 4: Simplify right side
    21,555.06x = 318,634,610.37
  5. Step 5: Solve for x
    x = 318,634,610.37/21,555.06
  6. Step 6: Final answer
    x = 14,782.36

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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.