Home / 9,162.19-12,654.19-6,172.84

Finding the Fourth Proportional to 9,162.19, 12,654.19 and 6,172.84

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Solution

The fourth proportional to 9,162.19, 12,654.19 and 6,172.84 is: 8,525.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.19 : 12,654.19 = 6,172.84 : x
  2. Step 2: Convert to fraction form
    9,162.19/12,654.19 = 6,172.84/x
  3. Step 3: Cross multiply
    9,162.19x = 12,654.19 × 6,172.84
  4. Step 4: Simplify right side
    9,162.19x = 78,112,227.70
  5. Step 5: Solve for x
    x = 78,112,227.70/9,162.19
  6. Step 6: Final answer
    x = 8,525.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.