Home / 21,661.07-32,504.36-9,180.18

Finding the Fourth Proportional to 21,661.07, 32,504.36 and 9,180.18

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Solution

The fourth proportional to 21,661.07, 32,504.36 and 9,180.18 is: 13,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,661.07 : 32,504.36 = 9,180.18 : x
  2. Step 2: Convert to fraction form
    21,661.07/32,504.36 = 9,180.18/x
  3. Step 3: Cross multiply
    21,661.07x = 32,504.36 × 9,180.18
  4. Step 4: Simplify right side
    21,661.07x = 298,395,829.68
  5. Step 5: Solve for x
    x = 298,395,829.68/21,661.07
  6. Step 6: Final answer
    x = 13,775.68

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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.