Home / 21,968.64-32,957.21-7,173.59

Finding the Fourth Proportional to 21,968.64, 32,957.21 and 7,173.59

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Solution

The fourth proportional to 21,968.64, 32,957.21 and 7,173.59 is: 10,761.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.64 : 32,957.21 = 7,173.59 : x
  2. Step 2: Convert to fraction form
    21,968.64/32,957.21 = 7,173.59/x
  3. Step 3: Cross multiply
    21,968.64x = 32,957.21 × 7,173.59
  4. Step 4: Simplify right side
    21,968.64x = 236,421,365.23
  5. Step 5: Solve for x
    x = 236,421,365.23/21,968.64
  6. Step 6: Final answer
    x = 10,761.77

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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.