Home / 12,675.99-19,000.58-4,775.09

Finding the Fourth Proportional to 12,675.99, 19,000.58 and 4,775.09

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Solution

The fourth proportional to 12,675.99, 19,000.58 and 4,775.09 is: 7,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.99 : 19,000.58 = 4,775.09 : x
  2. Step 2: Convert to fraction form
    12,675.99/19,000.58 = 4,775.09/x
  3. Step 3: Cross multiply
    12,675.99x = 19,000.58 × 4,775.09
  4. Step 4: Simplify right side
    12,675.99x = 90,729,479.55
  5. Step 5: Solve for x
    x = 90,729,479.55/12,675.99
  6. Step 6: Final answer
    x = 7,157.59

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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.