Home / 19,247.42-28,858.68-12,653.62

Finding the Fourth Proportional to 19,247.42, 28,858.68 and 12,653.62

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Solution

The fourth proportional to 19,247.42, 28,858.68 and 12,653.62 is: 18,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.42 : 28,858.68 = 12,653.62 : x
  2. Step 2: Convert to fraction form
    19,247.42/28,858.68 = 12,653.62/x
  3. Step 3: Cross multiply
    19,247.42x = 28,858.68 × 12,653.62
  4. Step 4: Simplify right side
    19,247.42x = 365,166,698.27
  5. Step 5: Solve for x
    x = 365,166,698.27/19,247.42
  6. Step 6: Final answer
    x = 18,972.24

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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.