Home / 10,989.12-16,483.68-4,062

Finding the Fourth Proportional to 10,989.12, 16,483.68 and 4,062

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Solution

The fourth proportional to 10,989.12, 16,483.68 and 4,062 is: 6,093

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.12 : 16,483.68 = 4,062 : x
  2. Step 2: Convert to fraction form
    10,989.12/16,483.68 = 4,062/x
  3. Step 3: Cross multiply
    10,989.12x = 16,483.68 × 4,062
  4. Step 4: Simplify right side
    10,989.12x = 66,956,708.16
  5. Step 5: Solve for x
    x = 66,956,708.16/10,989.12
  6. Step 6: Final answer
    x = 6,093

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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.