Home / 11,160.72-16,734.48-3,763.32

Finding the Fourth Proportional to 11,160.72, 16,734.48 and 3,763.32

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Solution

The fourth proportional to 11,160.72, 16,734.48 and 3,763.32 is: 5,642.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.72 : 16,734.48 = 3,763.32 : x
  2. Step 2: Convert to fraction form
    11,160.72/16,734.48 = 3,763.32/x
  3. Step 3: Cross multiply
    11,160.72x = 16,734.48 × 3,763.32
  4. Step 4: Simplify right side
    11,160.72x = 62,977,203.27
  5. Step 5: Solve for x
    x = 62,977,203.27/11,160.72
  6. Step 6: Final answer
    x = 5,642.75

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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.