Home / 8,346.22-12,519.01-2,106.15

Finding the Fourth Proportional to 8,346.22, 12,519.01 and 2,106.15

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Solution

The fourth proportional to 8,346.22, 12,519.01 and 2,106.15 is: 3,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.22 : 12,519.01 = 2,106.15 : x
  2. Step 2: Convert to fraction form
    8,346.22/12,519.01 = 2,106.15/x
  3. Step 3: Cross multiply
    8,346.22x = 12,519.01 × 2,106.15
  4. Step 4: Simplify right side
    8,346.22x = 26,366,912.91
  5. Step 5: Solve for x
    x = 26,366,912.91/8,346.22
  6. Step 6: Final answer
    x = 3,159.14

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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.