Home / 10,887.26-16,328.22-2,989.82

Finding the Fourth Proportional to 10,887.26, 16,328.22 and 2,989.82

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Solution

The fourth proportional to 10,887.26, 16,328.22 and 2,989.82 is: 4,484.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.26 : 16,328.22 = 2,989.82 : x
  2. Step 2: Convert to fraction form
    10,887.26/16,328.22 = 2,989.82/x
  3. Step 3: Cross multiply
    10,887.26x = 16,328.22 × 2,989.82
  4. Step 4: Simplify right side
    10,887.26x = 48,818,438.72
  5. Step 5: Solve for x
    x = 48,818,438.72/10,887.26
  6. Step 6: Final answer
    x = 4,484.00

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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.