Home / 19,197.69-28,794.59-5,155.89

Finding the Fourth Proportional to 19,197.69, 28,794.59 and 5,155.89

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Solution

The fourth proportional to 19,197.69, 28,794.59 and 5,155.89 is: 7,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.69 : 28,794.59 = 5,155.89 : x
  2. Step 2: Convert to fraction form
    19,197.69/28,794.59 = 5,155.89/x
  3. Step 3: Cross multiply
    19,197.69x = 28,794.59 × 5,155.89
  4. Step 4: Simplify right side
    19,197.69x = 148,461,797.73
  5. Step 5: Solve for x
    x = 148,461,797.73/19,197.69
  6. Step 6: Final answer
    x = 7,733.32

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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.