Home / 13,266.12-19,907.98-7,345.48

Finding the Fourth Proportional to 13,266.12, 19,907.98 and 7,345.48

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Solution

The fourth proportional to 13,266.12, 19,907.98 and 7,345.48 is: 11,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.12 : 19,907.98 = 7,345.48 : x
  2. Step 2: Convert to fraction form
    13,266.12/19,907.98 = 7,345.48/x
  3. Step 3: Cross multiply
    13,266.12x = 19,907.98 × 7,345.48
  4. Step 4: Simplify right side
    13,266.12x = 146,233,668.93
  5. Step 5: Solve for x
    x = 146,233,668.93/13,266.12
  6. Step 6: Final answer
    x = 11,023.09

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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.