Home / 12,888.45-19,336.32-4,993.38

Finding the Fourth Proportional to 12,888.45, 19,336.32 and 4,993.38

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Solution

The fourth proportional to 12,888.45, 19,336.32 and 4,993.38 is: 7,491.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888.45 : 19,336.32 = 4,993.38 : x
  2. Step 2: Convert to fraction form
    12,888.45/19,336.32 = 4,993.38/x
  3. Step 3: Cross multiply
    12,888.45x = 19,336.32 × 4,993.38
  4. Step 4: Simplify right side
    12,888.45x = 96,553,593.56
  5. Step 5: Solve for x
    x = 96,553,593.56/12,888.45
  6. Step 6: Final answer
    x = 7,491.48

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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.