Home / 11,688.96-17,533.44-5,112

Finding the Fourth Proportional to 11,688.96, 17,533.44 and 5,112

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Solution

The fourth proportional to 11,688.96, 17,533.44 and 5,112 is: 7,668.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.96 : 17,533.44 = 5,112 : x
  2. Step 2: Convert to fraction form
    11,688.96/17,533.44 = 5,112/x
  3. Step 3: Cross multiply
    11,688.96x = 17,533.44 × 5,112
  4. Step 4: Simplify right side
    11,688.96x = 89,630,945.28
  5. Step 5: Solve for x
    x = 89,630,945.28/11,688.96
  6. Step 6: Final answer
    x = 7,668.00

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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.