Home / 13,102.34-19,636.78-5,704.80

Finding the Fourth Proportional to 13,102.34, 19,636.78 and 5,704.80

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Solution

The fourth proportional to 13,102.34, 19,636.78 and 5,704.80 is: 8,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102.34 : 19,636.78 = 5,704.80 : x
  2. Step 2: Convert to fraction form
    13,102.34/19,636.78 = 5,704.80/x
  3. Step 3: Cross multiply
    13,102.34x = 19,636.78 × 5,704.80
  4. Step 4: Simplify right side
    13,102.34x = 112,023,902.54
  5. Step 5: Solve for x
    x = 112,023,902.54/13,102.34
  6. Step 6: Final answer
    x = 8,549.92

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1.5x scale

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.