Home / 12,521.25-17,280.41-6,933.33

Finding the Fourth Proportional to 12,521.25, 17,280.41 and 6,933.33

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Solution

The fourth proportional to 12,521.25, 17,280.41 and 6,933.33 is: 9,568.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.25 : 17,280.41 = 6,933.33 : x
  2. Step 2: Convert to fraction form
    12,521.25/17,280.41 = 6,933.33/x
  3. Step 3: Cross multiply
    12,521.25x = 17,280.41 × 6,933.33
  4. Step 4: Simplify right side
    12,521.25x = 119,810,750.40
  5. Step 5: Solve for x
    x = 119,810,750.40/12,521.25
  6. Step 6: Final answer
    x = 9,568.59

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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.