Home / 15,714.24-23,571.57-5,185.35

Finding the Fourth Proportional to 15,714.24, 23,571.57 and 5,185.35

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Solution

The fourth proportional to 15,714.24, 23,571.57 and 5,185.35 is: 7,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,714.24 : 23,571.57 = 5,185.35 : x
  2. Step 2: Convert to fraction form
    15,714.24/23,571.57 = 5,185.35/x
  3. Step 3: Cross multiply
    15,714.24x = 23,571.57 × 5,185.35
  4. Step 4: Simplify right side
    15,714.24x = 122,226,840.50
  5. Step 5: Solve for x
    x = 122,226,840.50/15,714.24
  6. Step 6: Final answer
    x = 7,778.09

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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.