Home / 12,858.44-19,287.75-4,854.62

Finding the Fourth Proportional to 12,858.44, 19,287.75 and 4,854.62

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Solution

The fourth proportional to 12,858.44, 19,287.75 and 4,854.62 is: 7,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858.44 : 19,287.75 = 4,854.62 : x
  2. Step 2: Convert to fraction form
    12,858.44/19,287.75 = 4,854.62/x
  3. Step 3: Cross multiply
    12,858.44x = 19,287.75 × 4,854.62
  4. Step 4: Simplify right side
    12,858.44x = 93,634,600.47
  5. Step 5: Solve for x
    x = 93,634,600.47/12,858.44
  6. Step 6: Final answer
    x = 7,281.96

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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.