Home / 12,849.99-19,266.66-8,454.12

Finding the Fourth Proportional to 12,849.99, 19,266.66 and 8,454.12

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Solution

The fourth proportional to 12,849.99, 19,266.66 and 8,454.12 is: 12,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.99 : 19,266.66 = 8,454.12 : x
  2. Step 2: Convert to fraction form
    12,849.99/19,266.66 = 8,454.12/x
  3. Step 3: Cross multiply
    12,849.99x = 19,266.66 × 8,454.12
  4. Step 4: Simplify right side
    12,849.99x = 162,882,655.64
  5. Step 5: Solve for x
    x = 162,882,655.64/12,849.99
  6. Step 6: Final answer
    x = 12,675.70

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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.