Home / 19,286.24-28,929.60-11,501.60

Finding the Fourth Proportional to 19,286.24, 28,929.60 and 11,501.60

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Solution

The fourth proportional to 19,286.24, 28,929.60 and 11,501.60 is: 17,252.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.24 : 28,929.60 = 11,501.60 : x
  2. Step 2: Convert to fraction form
    19,286.24/28,929.60 = 11,501.60/x
  3. Step 3: Cross multiply
    19,286.24x = 28,929.60 × 11,501.60
  4. Step 4: Simplify right side
    19,286.24x = 332,736,687.36
  5. Step 5: Solve for x
    x = 332,736,687.36/19,286.24
  6. Step 6: Final answer
    x = 17,252.54

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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.