Home / 11,323.48-16,984.38-4,749.40

Finding the Fourth Proportional to 11,323.48, 16,984.38 and 4,749.40

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Solution

The fourth proportional to 11,323.48, 16,984.38 and 4,749.40 is: 7,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.48 : 16,984.38 = 4,749.40 : x
  2. Step 2: Convert to fraction form
    11,323.48/16,984.38 = 4,749.40/x
  3. Step 3: Cross multiply
    11,323.48x = 16,984.38 × 4,749.40
  4. Step 4: Simplify right side
    11,323.48x = 80,665,614.37
  5. Step 5: Solve for x
    x = 80,665,614.37/11,323.48
  6. Step 6: Final answer
    x = 7,123.75

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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.