Home / 12,974.72-19,462.08-4,210.52

Finding the Fourth Proportional to 12,974.72, 19,462.08 and 4,210.52

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Solution

The fourth proportional to 12,974.72, 19,462.08 and 4,210.52 is: 6,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.72 : 19,462.08 = 4,210.52 : x
  2. Step 2: Convert to fraction form
    12,974.72/19,462.08 = 4,210.52/x
  3. Step 3: Cross multiply
    12,974.72x = 19,462.08 × 4,210.52
  4. Step 4: Simplify right side
    12,974.72x = 81,945,477.08
  5. Step 5: Solve for x
    x = 81,945,477.08/12,974.72
  6. Step 6: Final answer
    x = 6,315.78

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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.