Home / 19,372.90-29,022.30-13,102.10

Finding the Fourth Proportional to 19,372.90, 29,022.30 and 13,102.10

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Solution

The fourth proportional to 19,372.90, 29,022.30 and 13,102.10 is: 19,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.90 : 29,022.30 = 13,102.10 : x
  2. Step 2: Convert to fraction form
    19,372.90/29,022.30 = 13,102.10/x
  3. Step 3: Cross multiply
    19,372.90x = 29,022.30 × 13,102.10
  4. Step 4: Simplify right side
    19,372.90x = 380,253,076.83
  5. Step 5: Solve for x
    x = 380,253,076.83/19,372.90
  6. Step 6: Final answer
    x = 19,628.09

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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.