Home / 12,823.36-19,236.96-4,055.36

Finding the Fourth Proportional to 12,823.36, 19,236.96 and 4,055.36

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Solution

The fourth proportional to 12,823.36, 19,236.96 and 4,055.36 is: 6,083.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.36 : 19,236.96 = 4,055.36 : x
  2. Step 2: Convert to fraction form
    12,823.36/19,236.96 = 4,055.36/x
  3. Step 3: Cross multiply
    12,823.36x = 19,236.96 × 4,055.36
  4. Step 4: Simplify right side
    12,823.36x = 78,012,798.11
  5. Step 5: Solve for x
    x = 78,012,798.11/12,823.36
  6. Step 6: Final answer
    x = 6,083.65

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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.