Home / 12,450.16-17,181.22-6,784.91

Finding the Fourth Proportional to 12,450.16, 17,181.22 and 6,784.91

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Solution

The fourth proportional to 12,450.16, 17,181.22 and 6,784.91 is: 9,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.16 : 17,181.22 = 6,784.91 : x
  2. Step 2: Convert to fraction form
    12,450.16/17,181.22 = 6,784.91/x
  3. Step 3: Cross multiply
    12,450.16x = 17,181.22 × 6,784.91
  4. Step 4: Simplify right side
    12,450.16x = 116,573,057.38
  5. Step 5: Solve for x
    x = 116,573,057.38/12,450.16
  6. Step 6: Final answer
    x = 9,363.18

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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.