Home / 21,952.02-30,293.84-11,880.56

Finding the Fourth Proportional to 21,952.02, 30,293.84 and 11,880.56

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Solution

The fourth proportional to 21,952.02, 30,293.84 and 11,880.56 is: 16,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952.02 : 30,293.84 = 11,880.56 : x
  2. Step 2: Convert to fraction form
    21,952.02/30,293.84 = 11,880.56/x
  3. Step 3: Cross multiply
    21,952.02x = 30,293.84 × 11,880.56
  4. Step 4: Simplify right side
    21,952.02x = 359,907,783.75
  5. Step 5: Solve for x
    x = 359,907,783.75/21,952.02
  6. Step 6: Final answer
    x = 16,395.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.