Home / 12,974.00-19,463.42-4,207.77

Finding the Fourth Proportional to 12,974.00, 19,463.42 and 4,207.77

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Solution

The fourth proportional to 12,974.00, 19,463.42 and 4,207.77 is: 6,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.00 : 19,463.42 = 4,207.77 : x
  2. Step 2: Convert to fraction form
    12,974.00/19,463.42 = 4,207.77/x
  3. Step 3: Cross multiply
    12,974.00x = 19,463.42 × 4,207.77
  4. Step 4: Simplify right side
    12,974.00x = 81,897,605.29
  5. Step 5: Solve for x
    x = 81,897,605.29/12,974.00
  6. Step 6: Final answer
    x = 6,312.44

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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.