Home / 11,038.36-16,557.12-3,642.60

Finding the Fourth Proportional to 11,038.36, 16,557.12 and 3,642.60

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Solution

The fourth proportional to 11,038.36, 16,557.12 and 3,642.60 is: 5,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.36 : 16,557.12 = 3,642.60 : x
  2. Step 2: Convert to fraction form
    11,038.36/16,557.12 = 3,642.60/x
  3. Step 3: Cross multiply
    11,038.36x = 16,557.12 × 3,642.60
  4. Step 4: Simplify right side
    11,038.36x = 60,310,965.31
  5. Step 5: Solve for x
    x = 60,310,965.31/11,038.36
  6. Step 6: Final answer
    x = 5,463.76

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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.