Home / 19,974.07-29,956.99-9,439.62

Finding the Fourth Proportional to 19,974.07, 29,956.99 and 9,439.62

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Solution

The fourth proportional to 19,974.07, 29,956.99 and 9,439.62 is: 14,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.07 : 29,956.99 = 9,439.62 : x
  2. Step 2: Convert to fraction form
    19,974.07/29,956.99 = 9,439.62/x
  3. Step 3: Cross multiply
    19,974.07x = 29,956.99 × 9,439.62
  4. Step 4: Simplify right side
    19,974.07x = 282,782,601.94
  5. Step 5: Solve for x
    x = 282,782,601.94/19,974.07
  6. Step 6: Final answer
    x = 14,157.49

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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.