Home / 6,924.12-10,386.72-1,993.80

Finding the Fourth Proportional to 6,924.12, 10,386.72 and 1,993.80

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Solution

The fourth proportional to 6,924.12, 10,386.72 and 1,993.80 is: 2,990.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.12 : 10,386.72 = 1,993.80 : x
  2. Step 2: Convert to fraction form
    6,924.12/10,386.72 = 1,993.80/x
  3. Step 3: Cross multiply
    6,924.12x = 10,386.72 × 1,993.80
  4. Step 4: Simplify right side
    6,924.12x = 20,709,042.34
  5. Step 5: Solve for x
    x = 20,709,042.34/6,924.12
  6. Step 6: Final answer
    x = 2,990.86

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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.