Home / 13,142.84-19,714.68-5,743.52

Finding the Fourth Proportional to 13,142.84, 19,714.68 and 5,743.52

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Solution

The fourth proportional to 13,142.84, 19,714.68 and 5,743.52 is: 8,615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142.84 : 19,714.68 = 5,743.52 : x
  2. Step 2: Convert to fraction form
    13,142.84/19,714.68 = 5,743.52/x
  3. Step 3: Cross multiply
    13,142.84x = 19,714.68 × 5,743.52
  4. Step 4: Simplify right side
    13,142.84x = 113,231,658.87
  5. Step 5: Solve for x
    x = 113,231,658.87/13,142.84
  6. Step 6: Final answer
    x = 8,615.46

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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.