Home / 13,834.40-20,749.20-5,064.80

Finding the Fourth Proportional to 13,834.40, 20,749.20 and 5,064.80

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Solution

The fourth proportional to 13,834.40, 20,749.20 and 5,064.80 is: 7,596.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.40 : 20,749.20 = 5,064.80 : x
  2. Step 2: Convert to fraction form
    13,834.40/20,749.20 = 5,064.80/x
  3. Step 3: Cross multiply
    13,834.40x = 20,749.20 × 5,064.80
  4. Step 4: Simplify right side
    13,834.40x = 105,090,548.16
  5. Step 5: Solve for x
    x = 105,090,548.16/13,834.40
  6. Step 6: Final answer
    x = 7,596.32

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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.