Home / 11,989.04-17,962.44-10,684.40

Finding the Fourth Proportional to 11,989.04, 17,962.44 and 10,684.40

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Solution

The fourth proportional to 11,989.04, 17,962.44 and 10,684.40 is: 16,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989.04 : 17,962.44 = 10,684.40 : x
  2. Step 2: Convert to fraction form
    11,989.04/17,962.44 = 10,684.40/x
  3. Step 3: Cross multiply
    11,989.04x = 17,962.44 × 10,684.40
  4. Step 4: Simplify right side
    11,989.04x = 191,917,893.94
  5. Step 5: Solve for x
    x = 191,917,893.94/11,989.04
  6. Step 6: Final answer
    x = 16,007.78

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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.