Home / 20,904.94-28,848.72-11,473.44

Finding the Fourth Proportional to 20,904.94, 28,848.72 and 11,473.44

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Solution

The fourth proportional to 20,904.94, 28,848.72 and 11,473.44 is: 15,833.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,904.94 : 28,848.72 = 11,473.44 : x
  2. Step 2: Convert to fraction form
    20,904.94/28,848.72 = 11,473.44/x
  3. Step 3: Cross multiply
    20,904.94x = 28,848.72 × 11,473.44
  4. Step 4: Simplify right side
    20,904.94x = 330,994,058.00
  5. Step 5: Solve for x
    x = 330,994,058.00/20,904.94
  6. Step 6: Final answer
    x = 15,833.29

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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.