Home / 21,955.12-32,922.60-9,469.16

Finding the Fourth Proportional to 21,955.12, 32,922.60 and 9,469.16

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Solution

The fourth proportional to 21,955.12, 32,922.60 and 9,469.16 is: 14,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,955.12 : 32,922.60 = 9,469.16 : x
  2. Step 2: Convert to fraction form
    21,955.12/32,922.60 = 9,469.16/x
  3. Step 3: Cross multiply
    21,955.12x = 32,922.60 × 9,469.16
  4. Step 4: Simplify right side
    21,955.12x = 311,749,367.02
  5. Step 5: Solve for x
    x = 311,749,367.02/21,955.12
  6. Step 6: Final answer
    x = 14,199.39

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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.