Home / 13,266.69-19,881.91-7,334.79

Finding the Fourth Proportional to 13,266.69, 19,881.91 and 7,334.79

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Solution

The fourth proportional to 13,266.69, 19,881.91 and 7,334.79 is: 10,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.69 : 19,881.91 = 7,334.79 : x
  2. Step 2: Convert to fraction form
    13,266.69/19,881.91 = 7,334.79/x
  3. Step 3: Cross multiply
    13,266.69x = 19,881.91 × 7,334.79
  4. Step 4: Simplify right side
    13,266.69x = 145,829,634.65
  5. Step 5: Solve for x
    x = 145,829,634.65/13,266.69
  6. Step 6: Final answer
    x = 10,992.16

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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.