Home / 11,299.36-16,948.80-3,903.58

Finding the Fourth Proportional to 11,299.36, 16,948.80 and 3,903.58

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Solution

The fourth proportional to 11,299.36, 16,948.80 and 3,903.58 is: 5,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.36 : 16,948.80 = 3,903.58 : x
  2. Step 2: Convert to fraction form
    11,299.36/16,948.80 = 3,903.58/x
  3. Step 3: Cross multiply
    11,299.36x = 16,948.80 × 3,903.58
  4. Step 4: Simplify right side
    11,299.36x = 66,160,996.70
  5. Step 5: Solve for x
    x = 66,160,996.70/11,299.36
  6. Step 6: Final answer
    x = 5,855.29

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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.