Home / 11,004.58-16,509.30-5,158

Finding the Fourth Proportional to 11,004.58, 16,509.30 and 5,158

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Solution

The fourth proportional to 11,004.58, 16,509.30 and 5,158 is: 7,738.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.58 : 16,509.30 = 5,158 : x
  2. Step 2: Convert to fraction form
    11,004.58/16,509.30 = 5,158/x
  3. Step 3: Cross multiply
    11,004.58x = 16,509.30 × 5,158
  4. Step 4: Simplify right side
    11,004.58x = 85,154,969.40
  5. Step 5: Solve for x
    x = 85,154,969.40/11,004.58
  6. Step 6: Final answer
    x = 7,738.14

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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.