Home / 17,215.72-25,823.70-6,122.80

Finding the Fourth Proportional to 17,215.72, 25,823.70 and 6,122.80

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Solution

The fourth proportional to 17,215.72, 25,823.70 and 6,122.80 is: 9,184.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.72 : 25,823.70 = 6,122.80 : x
  2. Step 2: Convert to fraction form
    17,215.72/25,823.70 = 6,122.80/x
  3. Step 3: Cross multiply
    17,215.72x = 25,823.70 × 6,122.80
  4. Step 4: Simplify right side
    17,215.72x = 158,113,350.36
  5. Step 5: Solve for x
    x = 158,113,350.36/17,215.72
  6. Step 6: Final answer
    x = 9,184.24

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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.