Home / 10,782.03-16,171.23-2,989.02

Finding the Fourth Proportional to 10,782.03, 16,171.23 and 2,989.02

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Solution

The fourth proportional to 10,782.03, 16,171.23 and 2,989.02 is: 4,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.03 : 16,171.23 = 2,989.02 : x
  2. Step 2: Convert to fraction form
    10,782.03/16,171.23 = 2,989.02/x
  3. Step 3: Cross multiply
    10,782.03x = 16,171.23 × 2,989.02
  4. Step 4: Simplify right side
    10,782.03x = 48,336,129.89
  5. Step 5: Solve for x
    x = 48,336,129.89/10,782.03
  6. Step 6: Final answer
    x = 4,483.03

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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.