Home / 21,968.15-32,953.43-7,181.60

Finding the Fourth Proportional to 21,968.15, 32,953.43 and 7,181.60

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Solution

The fourth proportional to 21,968.15, 32,953.43 and 7,181.60 is: 10,772.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.15 : 32,953.43 = 7,181.60 : x
  2. Step 2: Convert to fraction form
    21,968.15/32,953.43 = 7,181.60/x
  3. Step 3: Cross multiply
    21,968.15x = 32,953.43 × 7,181.60
  4. Step 4: Simplify right side
    21,968.15x = 236,658,206.07
  5. Step 5: Solve for x
    x = 236,658,206.07/21,968.15
  6. Step 6: Final answer
    x = 10,772.79

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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.