Home / 12,439.74-17,166.81-6,850.74

Finding the Fourth Proportional to 12,439.74, 17,166.81 and 6,850.74

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Solution

The fourth proportional to 12,439.74, 17,166.81 and 6,850.74 is: 9,454.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439.74 : 17,166.81 = 6,850.74 : x
  2. Step 2: Convert to fraction form
    12,439.74/17,166.81 = 6,850.74/x
  3. Step 3: Cross multiply
    12,439.74x = 17,166.81 × 6,850.74
  4. Step 4: Simplify right side
    12,439.74x = 117,605,351.94
  5. Step 5: Solve for x
    x = 117,605,351.94/12,439.74
  6. Step 6: Final answer
    x = 9,454.00

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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.