Home / 19,294.97-28,912.58-13,383.35

Finding the Fourth Proportional to 19,294.97, 28,912.58 and 13,383.35

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Solution

The fourth proportional to 19,294.97, 28,912.58 and 13,383.35 is: 20,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.97 : 28,912.58 = 13,383.35 : x
  2. Step 2: Convert to fraction form
    19,294.97/28,912.58 = 13,383.35/x
  3. Step 3: Cross multiply
    19,294.97x = 28,912.58 × 13,383.35
  4. Step 4: Simplify right side
    19,294.97x = 386,947,071.80
  5. Step 5: Solve for x
    x = 386,947,071.80/19,294.97
  6. Step 6: Final answer
    x = 20,054.30

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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.