Home / 11,283.19-16,910.65-5,355.20

Finding the Fourth Proportional to 11,283.19, 16,910.65 and 5,355.20

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Solution

The fourth proportional to 11,283.19, 16,910.65 and 5,355.20 is: 8,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.19 : 16,910.65 = 5,355.20 : x
  2. Step 2: Convert to fraction form
    11,283.19/16,910.65 = 5,355.20/x
  3. Step 3: Cross multiply
    11,283.19x = 16,910.65 × 5,355.20
  4. Step 4: Simplify right side
    11,283.19x = 90,559,912.88
  5. Step 5: Solve for x
    x = 90,559,912.88/11,283.19
  6. Step 6: Final answer
    x = 8,026.09

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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.