Home / 11,160.78-16,740.72-3,765.08

Finding the Fourth Proportional to 11,160.78, 16,740.72 and 3,765.08

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Solution

The fourth proportional to 11,160.78, 16,740.72 and 3,765.08 is: 5,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.78 : 16,740.72 = 3,765.08 : x
  2. Step 2: Convert to fraction form
    11,160.78/16,740.72 = 3,765.08/x
  3. Step 3: Cross multiply
    11,160.78x = 16,740.72 × 3,765.08
  4. Step 4: Simplify right side
    11,160.78x = 63,030,066.35
  5. Step 5: Solve for x
    x = 63,030,066.35/11,160.78
  6. Step 6: Final answer
    x = 5,647.46

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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.