Home / 10,999.45-16,504.64-5,156.52

Finding the Fourth Proportional to 10,999.45, 16,504.64 and 5,156.52

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Solution

The fourth proportional to 10,999.45, 16,504.64 and 5,156.52 is: 7,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.45 : 16,504.64 = 5,156.52 : x
  2. Step 2: Convert to fraction form
    10,999.45/16,504.64 = 5,156.52/x
  3. Step 3: Cross multiply
    10,999.45x = 16,504.64 × 5,156.52
  4. Step 4: Simplify right side
    10,999.45x = 85,106,506.25
  5. Step 5: Solve for x
    x = 85,106,506.25/10,999.45
  6. Step 6: Final answer
    x = 7,737.34

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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.