Home / 21,295.56-29,389.15-11,735.42

Finding the Fourth Proportional to 21,295.56, 29,389.15 and 11,735.42

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Solution

The fourth proportional to 21,295.56, 29,389.15 and 11,735.42 is: 16,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295.56 : 29,389.15 = 11,735.42 : x
  2. Step 2: Convert to fraction form
    21,295.56/29,389.15 = 11,735.42/x
  3. Step 3: Cross multiply
    21,295.56x = 29,389.15 × 11,735.42
  4. Step 4: Simplify right side
    21,295.56x = 344,894,043.41
  5. Step 5: Solve for x
    x = 344,894,043.41/21,295.56
  6. Step 6: Final answer
    x = 16,195.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.