Home / 13,276.89-19,927.64-6,707.69

Finding the Fourth Proportional to 13,276.89, 19,927.64 and 6,707.69

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Solution

The fourth proportional to 13,276.89, 19,927.64 and 6,707.69 is: 10,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.89 : 19,927.64 = 6,707.69 : x
  2. Step 2: Convert to fraction form
    13,276.89/19,927.64 = 6,707.69/x
  3. Step 3: Cross multiply
    13,276.89x = 19,927.64 × 6,707.69
  4. Step 4: Simplify right side
    13,276.89x = 133,668,423.41
  5. Step 5: Solve for x
    x = 133,668,423.41/13,276.89
  6. Step 6: Final answer
    x = 10,067.75

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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.