Home / 19,788.44-29,679.48-7,314.35

Finding the Fourth Proportional to 19,788.44, 29,679.48 and 7,314.35

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Solution

The fourth proportional to 19,788.44, 29,679.48 and 7,314.35 is: 10,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.44 : 29,679.48 = 7,314.35 : x
  2. Step 2: Convert to fraction form
    19,788.44/29,679.48 = 7,314.35/x
  3. Step 3: Cross multiply
    19,788.44x = 29,679.48 × 7,314.35
  4. Step 4: Simplify right side
    19,788.44x = 217,085,956.14
  5. Step 5: Solve for x
    x = 217,085,956.14/19,788.44
  6. Step 6: Final answer
    x = 10,970.34

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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.