Home / 6,923.48-10,386.86-1,993

Finding the Fourth Proportional to 6,923.48, 10,386.86 and 1,993

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Solution

The fourth proportional to 6,923.48, 10,386.86 and 1,993 is: 2,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.48 : 10,386.86 = 1,993 : x
  2. Step 2: Convert to fraction form
    6,923.48/10,386.86 = 1,993/x
  3. Step 3: Cross multiply
    6,923.48x = 10,386.86 × 1,993
  4. Step 4: Simplify right side
    6,923.48x = 20,701,011.98
  5. Step 5: Solve for x
    x = 20,701,011.98/6,923.48
  6. Step 6: Final answer
    x = 2,989.97

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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.