Home / 12,900.65-19,334.77-4,573.85

Finding the Fourth Proportional to 12,900.65, 19,334.77 and 4,573.85

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Solution

The fourth proportional to 12,900.65, 19,334.77 and 4,573.85 is: 6,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900.65 : 19,334.77 = 4,573.85 : x
  2. Step 2: Convert to fraction form
    12,900.65/19,334.77 = 4,573.85/x
  3. Step 3: Cross multiply
    12,900.65x = 19,334.77 × 4,573.85
  4. Step 4: Simplify right side
    12,900.65x = 88,434,229.66
  5. Step 5: Solve for x
    x = 88,434,229.66/12,900.65
  6. Step 6: Final answer
    x = 6,855.02

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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.