Home / 11,125.36-16,689.48-3,728.08

Finding the Fourth Proportional to 11,125.36, 16,689.48 and 3,728.08

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Solution

The fourth proportional to 11,125.36, 16,689.48 and 3,728.08 is: 5,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.36 : 16,689.48 = 3,728.08 : x
  2. Step 2: Convert to fraction form
    11,125.36/16,689.48 = 3,728.08/x
  3. Step 3: Cross multiply
    11,125.36x = 16,689.48 × 3,728.08
  4. Step 4: Simplify right side
    11,125.36x = 62,219,716.60
  5. Step 5: Solve for x
    x = 62,219,716.60/11,125.36
  6. Step 6: Final answer
    x = 5,592.60

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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.