Home / 20,904.35-28,848.01-11,952.03

Finding the Fourth Proportional to 20,904.35, 28,848.01 and 11,952.03

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Solution

The fourth proportional to 20,904.35, 28,848.01 and 11,952.03 is: 16,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,904.35 : 28,848.01 = 11,952.03 : x
  2. Step 2: Convert to fraction form
    20,904.35/28,848.01 = 11,952.03/x
  3. Step 3: Cross multiply
    20,904.35x = 28,848.01 × 11,952.03
  4. Step 4: Simplify right side
    20,904.35x = 344,792,187.72
  5. Step 5: Solve for x
    x = 344,792,187.72/20,904.35
  6. Step 6: Final answer
    x = 16,493.80

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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.