Home / 21,992.14-32,989.02-6,409.36

Finding the Fourth Proportional to 21,992.14, 32,989.02 and 6,409.36

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Solution

The fourth proportional to 21,992.14, 32,989.02 and 6,409.36 is: 9,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,992.14 : 32,989.02 = 6,409.36 : x
  2. Step 2: Convert to fraction form
    21,992.14/32,989.02 = 6,409.36/x
  3. Step 3: Cross multiply
    21,992.14x = 32,989.02 × 6,409.36
  4. Step 4: Simplify right side
    21,992.14x = 211,438,505.23
  5. Step 5: Solve for x
    x = 211,438,505.23/21,992.14
  6. Step 6: Final answer
    x = 9,614.28

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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.