Home / 12,817.08-19,218.80-6,574.56

Finding the Fourth Proportional to 12,817.08, 19,218.80 and 6,574.56

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Solution

The fourth proportional to 12,817.08, 19,218.80 and 6,574.56 is: 9,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817.08 : 19,218.80 = 6,574.56 : x
  2. Step 2: Convert to fraction form
    12,817.08/19,218.80 = 6,574.56/x
  3. Step 3: Cross multiply
    12,817.08x = 19,218.80 × 6,574.56
  4. Step 4: Simplify right side
    12,817.08x = 126,355,153.73
  5. Step 5: Solve for x
    x = 126,355,153.73/12,817.08
  6. Step 6: Final answer
    x = 9,858.34

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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.