Home / 12,974.16-19,462.56-4,206.96

Finding the Fourth Proportional to 12,974.16, 19,462.56 and 4,206.96

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Solution

The fourth proportional to 12,974.16, 19,462.56 and 4,206.96 is: 6,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.16 : 19,462.56 = 4,206.96 : x
  2. Step 2: Convert to fraction form
    12,974.16/19,462.56 = 4,206.96/x
  3. Step 3: Cross multiply
    12,974.16x = 19,462.56 × 4,206.96
  4. Step 4: Simplify right side
    12,974.16x = 81,878,211.42
  5. Step 5: Solve for x
    x = 81,878,211.42/12,974.16
  6. Step 6: Final answer
    x = 6,310.87

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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.