Home / 12,689.05-19,034.84-4,367.96

Finding the Fourth Proportional to 12,689.05, 19,034.84 and 4,367.96

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Solution

The fourth proportional to 12,689.05, 19,034.84 and 4,367.96 is: 6,552.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689.05 : 19,034.84 = 4,367.96 : x
  2. Step 2: Convert to fraction form
    12,689.05/19,034.84 = 4,367.96/x
  3. Step 3: Cross multiply
    12,689.05x = 19,034.84 × 4,367.96
  4. Step 4: Simplify right side
    12,689.05x = 83,143,461.85
  5. Step 5: Solve for x
    x = 83,143,461.85/12,689.05
  6. Step 6: Final answer
    x = 6,552.38

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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.