Home / 19,788.19-29,685.53-9,396.43

Finding the Fourth Proportional to 19,788.19, 29,685.53 and 9,396.43

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Solution

The fourth proportional to 19,788.19, 29,685.53 and 9,396.43 is: 14,096.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.19 : 29,685.53 = 9,396.43 : x
  2. Step 2: Convert to fraction form
    19,788.19/29,685.53 = 9,396.43/x
  3. Step 3: Cross multiply
    19,788.19x = 29,685.53 × 9,396.43
  4. Step 4: Simplify right side
    19,788.19x = 278,938,004.66
  5. Step 5: Solve for x
    x = 278,938,004.66/19,788.19
  6. Step 6: Final answer
    x = 14,096.19

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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.