Home / 12,134.91-18,210.60-4,739.34

Finding the Fourth Proportional to 12,134.91, 18,210.60 and 4,739.34

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Solution

The fourth proportional to 12,134.91, 18,210.60 and 4,739.34 is: 7,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.91 : 18,210.60 = 4,739.34 : x
  2. Step 2: Convert to fraction form
    12,134.91/18,210.60 = 4,739.34/x
  3. Step 3: Cross multiply
    12,134.91x = 18,210.60 × 4,739.34
  4. Step 4: Simplify right side
    12,134.91x = 86,306,225.00
  5. Step 5: Solve for x
    x = 86,306,225.00/12,134.91
  6. Step 6: Final answer
    x = 7,112.23

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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.