Home / 12,892.21-19,338.85-4,573.11

Finding the Fourth Proportional to 12,892.21, 19,338.85 and 4,573.11

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Solution

The fourth proportional to 12,892.21, 19,338.85 and 4,573.11 is: 6,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.21 : 19,338.85 = 4,573.11 : x
  2. Step 2: Convert to fraction form
    12,892.21/19,338.85 = 4,573.11/x
  3. Step 3: Cross multiply
    12,892.21x = 19,338.85 × 4,573.11
  4. Step 4: Simplify right side
    12,892.21x = 88,438,657.78
  5. Step 5: Solve for x
    x = 88,438,657.78/12,892.21
  6. Step 6: Final answer
    x = 6,859.85

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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.