Home / 12,904.07-19,359.35-3,670.07

Finding the Fourth Proportional to 12,904.07, 19,359.35 and 3,670.07

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Solution

The fourth proportional to 12,904.07, 19,359.35 and 3,670.07 is: 5,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.07 : 19,359.35 = 3,670.07 : x
  2. Step 2: Convert to fraction form
    12,904.07/19,359.35 = 3,670.07/x
  3. Step 3: Cross multiply
    12,904.07x = 19,359.35 × 3,670.07
  4. Step 4: Simplify right side
    12,904.07x = 71,050,169.65
  5. Step 5: Solve for x
    x = 71,050,169.65/12,904.07
  6. Step 6: Final answer
    x = 5,506.03

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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.