Home / 12,904.06-19,359.34-3,670.06

Finding the Fourth Proportional to 12,904.06, 19,359.34 and 3,670.06

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Solution

The fourth proportional to 12,904.06, 19,359.34 and 3,670.06 is: 5,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.06 : 19,359.34 = 3,670.06 : x
  2. Step 2: Convert to fraction form
    12,904.06/19,359.34 = 3,670.06/x
  3. Step 3: Cross multiply
    12,904.06x = 19,359.34 × 3,670.06
  4. Step 4: Simplify right side
    12,904.06x = 71,049,939.36
  5. Step 5: Solve for x
    x = 71,049,939.36/12,904.06
  6. Step 6: Final answer
    x = 5,506.01

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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.