Home / 12,859.55-19,290.87-4,537.85

Finding the Fourth Proportional to 12,859.55, 19,290.87 and 4,537.85

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Solution

The fourth proportional to 12,859.55, 19,290.87 and 4,537.85 is: 6,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.55 : 19,290.87 = 4,537.85 : x
  2. Step 2: Convert to fraction form
    12,859.55/19,290.87 = 4,537.85/x
  3. Step 3: Cross multiply
    12,859.55x = 19,290.87 × 4,537.85
  4. Step 4: Simplify right side
    12,859.55x = 87,539,122.66
  5. Step 5: Solve for x
    x = 87,539,122.66/12,859.55
  6. Step 6: Final answer
    x = 6,807.33

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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.