Home / 10,988.56-16,485.63-3,197.37

Finding the Fourth Proportional to 10,988.56, 16,485.63 and 3,197.37

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Solution

The fourth proportional to 10,988.56, 16,485.63 and 3,197.37 is: 4,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.56 : 16,485.63 = 3,197.37 : x
  2. Step 2: Convert to fraction form
    10,988.56/16,485.63 = 3,197.37/x
  3. Step 3: Cross multiply
    10,988.56x = 16,485.63 × 3,197.37
  4. Step 4: Simplify right side
    10,988.56x = 52,710,658.79
  5. Step 5: Solve for x
    x = 52,710,658.79/10,988.56
  6. Step 6: Final answer
    x = 4,796.87

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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.