Home / 12,054.90-18,079.44-3,289.86

Finding the Fourth Proportional to 12,054.90, 18,079.44 and 3,289.86

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Solution

The fourth proportional to 12,054.90, 18,079.44 and 3,289.86 is: 4,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.90 : 18,079.44 = 3,289.86 : x
  2. Step 2: Convert to fraction form
    12,054.90/18,079.44 = 3,289.86/x
  3. Step 3: Cross multiply
    12,054.90x = 18,079.44 × 3,289.86
  4. Step 4: Simplify right side
    12,054.90x = 59,478,826.48
  5. Step 5: Solve for x
    x = 59,478,826.48/12,054.90
  6. Step 6: Final answer
    x = 4,934.00

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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.