Home / 12,288.63-18,433.07-3,054.63

Finding the Fourth Proportional to 12,288.63, 18,433.07 and 3,054.63

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Solution

The fourth proportional to 12,288.63, 18,433.07 and 3,054.63 is: 4,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.63 : 18,433.07 = 3,054.63 : x
  2. Step 2: Convert to fraction form
    12,288.63/18,433.07 = 3,054.63/x
  3. Step 3: Cross multiply
    12,288.63x = 18,433.07 × 3,054.63
  4. Step 4: Simplify right side
    12,288.63x = 56,306,208.61
  5. Step 5: Solve for x
    x = 56,306,208.61/12,288.63
  6. Step 6: Final answer
    x = 4,581.98

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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.