Home / 17,280.21-25,920.27-6,899.25

Finding the Fourth Proportional to 17,280.21, 25,920.27 and 6,899.25

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Solution

The fourth proportional to 17,280.21, 25,920.27 and 6,899.25 is: 10,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.21 : 25,920.27 = 6,899.25 : x
  2. Step 2: Convert to fraction form
    17,280.21/25,920.27 = 6,899.25/x
  3. Step 3: Cross multiply
    17,280.21x = 25,920.27 × 6,899.25
  4. Step 4: Simplify right side
    17,280.21x = 178,830,422.80
  5. Step 5: Solve for x
    x = 178,830,422.80/17,280.21
  6. Step 6: Final answer
    x = 10,348.86

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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.