Home / 12,288.69-18,433.03-3,054.69

Finding the Fourth Proportional to 12,288.69, 18,433.03 and 3,054.69

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Solution

The fourth proportional to 12,288.69, 18,433.03 and 3,054.69 is: 4,582.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.69 : 18,433.03 = 3,054.69 : x
  2. Step 2: Convert to fraction form
    12,288.69/18,433.03 = 3,054.69/x
  3. Step 3: Cross multiply
    12,288.69x = 18,433.03 × 3,054.69
  4. Step 4: Simplify right side
    12,288.69x = 56,307,192.41
  5. Step 5: Solve for x
    x = 56,307,192.41/12,288.69
  6. Step 6: Final answer
    x = 4,582.03

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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.