Home / 13,992.06-20,994.81-8,725.72

Finding the Fourth Proportional to 13,992.06, 20,994.81 and 8,725.72

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Solution

The fourth proportional to 13,992.06, 20,994.81 and 8,725.72 is: 13,092.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.06 : 20,994.81 = 8,725.72 : x
  2. Step 2: Convert to fraction form
    13,992.06/20,994.81 = 8,725.72/x
  3. Step 3: Cross multiply
    13,992.06x = 20,994.81 × 8,725.72
  4. Step 4: Simplify right side
    13,992.06x = 183,194,833.51
  5. Step 5: Solve for x
    x = 183,194,833.51/13,992.06
  6. Step 6: Final answer
    x = 13,092.77

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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.