Home / 8,950.36-12,307.68-7,769.36

Finding the Fourth Proportional to 8,950.36, 12,307.68 and 7,769.36

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Solution

The fourth proportional to 8,950.36, 12,307.68 and 7,769.36 is: 10,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.36 : 12,307.68 = 7,769.36 : x
  2. Step 2: Convert to fraction form
    8,950.36/12,307.68 = 7,769.36/x
  3. Step 3: Cross multiply
    8,950.36x = 12,307.68 × 7,769.36
  4. Step 4: Simplify right side
    8,950.36x = 95,622,796.68
  5. Step 5: Solve for x
    x = 95,622,796.68/8,950.36
  6. Step 6: Final answer
    x = 10,683.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.