Home / 12,879.37-19,315.48-4,558.29

Finding the Fourth Proportional to 12,879.37, 19,315.48 and 4,558.29

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Solution

The fourth proportional to 12,879.37, 19,315.48 and 4,558.29 is: 6,836.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879.37 : 19,315.48 = 4,558.29 : x
  2. Step 2: Convert to fraction form
    12,879.37/19,315.48 = 4,558.29/x
  3. Step 3: Cross multiply
    12,879.37x = 19,315.48 × 4,558.29
  4. Step 4: Simplify right side
    12,879.37x = 88,045,484.05
  5. Step 5: Solve for x
    x = 88,045,484.05/12,879.37
  6. Step 6: Final answer
    x = 6,836.17

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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.