Home / 12,006.48-18,012.39-4,610.96

Finding the Fourth Proportional to 12,006.48, 18,012.39 and 4,610.96

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Solution

The fourth proportional to 12,006.48, 18,012.39 and 4,610.96 is: 6,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.48 : 18,012.39 = 4,610.96 : x
  2. Step 2: Convert to fraction form
    12,006.48/18,012.39 = 4,610.96/x
  3. Step 3: Cross multiply
    12,006.48x = 18,012.39 × 4,610.96
  4. Step 4: Simplify right side
    12,006.48x = 83,054,409.79
  5. Step 5: Solve for x
    x = 83,054,409.79/12,006.48
  6. Step 6: Final answer
    x = 6,917.47

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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.