Home / 15,078.02-22,586.79-7,682.18

Finding the Fourth Proportional to 15,078.02, 22,586.79 and 7,682.18

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Solution

The fourth proportional to 15,078.02, 22,586.79 and 7,682.18 is: 11,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,078.02 : 22,586.79 = 7,682.18 : x
  2. Step 2: Convert to fraction form
    15,078.02/22,586.79 = 7,682.18/x
  3. Step 3: Cross multiply
    15,078.02x = 22,586.79 × 7,682.18
  4. Step 4: Simplify right side
    15,078.02x = 173,515,786.40
  5. Step 5: Solve for x
    x = 173,515,786.40/15,078.02
  6. Step 6: Final answer
    x = 11,507.86

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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.