Home / 9,186.96-13,768.10-5,020.72

Finding the Fourth Proportional to 9,186.96, 13,768.10 and 5,020.72

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Solution

The fourth proportional to 9,186.96, 13,768.10 and 5,020.72 is: 7,524.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.96 : 13,768.10 = 5,020.72 : x
  2. Step 2: Convert to fraction form
    9,186.96/13,768.10 = 5,020.72/x
  3. Step 3: Cross multiply
    9,186.96x = 13,768.10 × 5,020.72
  4. Step 4: Simplify right side
    9,186.96x = 69,125,775.03
  5. Step 5: Solve for x
    x = 69,125,775.03/9,186.96
  6. Step 6: Final answer
    x = 7,524.34

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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.