Home / 12,949.07-19,416.92-4,182.84

Finding the Fourth Proportional to 12,949.07, 19,416.92 and 4,182.84

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Solution

The fourth proportional to 12,949.07, 19,416.92 and 4,182.84 is: 6,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.07 : 19,416.92 = 4,182.84 : x
  2. Step 2: Convert to fraction form
    12,949.07/19,416.92 = 4,182.84/x
  3. Step 3: Cross multiply
    12,949.07x = 19,416.92 × 4,182.84
  4. Step 4: Simplify right side
    12,949.07x = 81,217,848.74
  5. Step 5: Solve for x
    x = 81,217,848.74/12,949.07
  6. Step 6: Final answer
    x = 6,272.10

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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.