Home / 10,668.82-16,011.78-4,825.93

Finding the Fourth Proportional to 10,668.82, 16,011.78 and 4,825.93

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Solution

The fourth proportional to 10,668.82, 16,011.78 and 4,825.93 is: 7,242.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.82 : 16,011.78 = 4,825.93 : x
  2. Step 2: Convert to fraction form
    10,668.82/16,011.78 = 4,825.93/x
  3. Step 3: Cross multiply
    10,668.82x = 16,011.78 × 4,825.93
  4. Step 4: Simplify right side
    10,668.82x = 77,271,729.46
  5. Step 5: Solve for x
    x = 77,271,729.46/10,668.82
  6. Step 6: Final answer
    x = 7,242.76

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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.