Home / 12,206.16-16,841.70-6,899.82

Finding the Fourth Proportional to 12,206.16, 16,841.70 and 6,899.82

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Solution

The fourth proportional to 12,206.16, 16,841.70 and 6,899.82 is: 9,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.16 : 16,841.70 = 6,899.82 : x
  2. Step 2: Convert to fraction form
    12,206.16/16,841.70 = 6,899.82/x
  3. Step 3: Cross multiply
    12,206.16x = 16,841.70 × 6,899.82
  4. Step 4: Simplify right side
    12,206.16x = 116,204,698.49
  5. Step 5: Solve for x
    x = 116,204,698.49/12,206.16
  6. Step 6: Final answer
    x = 9,520.17

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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.