Home / 12,828.48-19,243.42-4,062.74

Finding the Fourth Proportional to 12,828.48, 19,243.42 and 4,062.74

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Solution

The fourth proportional to 12,828.48, 19,243.42 and 4,062.74 is: 6,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.48 : 19,243.42 = 4,062.74 : x
  2. Step 2: Convert to fraction form
    12,828.48/19,243.42 = 4,062.74/x
  3. Step 3: Cross multiply
    12,828.48x = 19,243.42 × 4,062.74
  4. Step 4: Simplify right side
    12,828.48x = 78,181,012.17
  5. Step 5: Solve for x
    x = 78,181,012.17/12,828.48
  6. Step 6: Final answer
    x = 6,094.33

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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.