Home / 21,968.27-32,956.65-7,173.21

Finding the Fourth Proportional to 21,968.27, 32,956.65 and 7,173.21

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Solution

The fourth proportional to 21,968.27, 32,956.65 and 7,173.21 is: 10,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.27 : 32,956.65 = 7,173.21 : x
  2. Step 2: Convert to fraction form
    21,968.27/32,956.65 = 7,173.21/x
  3. Step 3: Cross multiply
    21,968.27x = 32,956.65 × 7,173.21
  4. Step 4: Simplify right side
    21,968.27x = 236,404,971.35
  5. Step 5: Solve for x
    x = 236,404,971.35/21,968.27
  6. Step 6: Final answer
    x = 10,761.20

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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.