Home / 6,929.52-10,396.12-1,999.56

Finding the Fourth Proportional to 6,929.52, 10,396.12 and 1,999.56

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Solution

The fourth proportional to 6,929.52, 10,396.12 and 1,999.56 is: 2,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.52 : 10,396.12 = 1,999.56 : x
  2. Step 2: Convert to fraction form
    6,929.52/10,396.12 = 1,999.56/x
  3. Step 3: Cross multiply
    6,929.52x = 10,396.12 × 1,999.56
  4. Step 4: Simplify right side
    6,929.52x = 20,787,665.71
  5. Step 5: Solve for x
    x = 20,787,665.71/6,929.52
  6. Step 6: Final answer
    x = 2,999.87

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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.