Home / 12,974.06-19,463.93-4,209.86

Finding the Fourth Proportional to 12,974.06, 19,463.93 and 4,209.86

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Solution

The fourth proportional to 12,974.06, 19,463.93 and 4,209.86 is: 6,315.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.06 : 19,463.93 = 4,209.86 : x
  2. Step 2: Convert to fraction form
    12,974.06/19,463.93 = 4,209.86/x
  3. Step 3: Cross multiply
    12,974.06x = 19,463.93 × 4,209.86
  4. Step 4: Simplify right side
    12,974.06x = 81,940,301.98
  5. Step 5: Solve for x
    x = 81,940,301.98/12,974.06
  6. Step 6: Final answer
    x = 6,315.70

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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.