Home / 15,558.88-23,351.80-8,168.56

Finding the Fourth Proportional to 15,558.88, 23,351.80 and 8,168.56

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Solution

The fourth proportional to 15,558.88, 23,351.80 and 8,168.56 is: 12,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.88 : 23,351.80 = 8,168.56 : x
  2. Step 2: Convert to fraction form
    15,558.88/23,351.80 = 8,168.56/x
  3. Step 3: Cross multiply
    15,558.88x = 23,351.80 × 8,168.56
  4. Step 4: Simplify right side
    15,558.88x = 190,750,579.41
  5. Step 5: Solve for x
    x = 190,750,579.41/15,558.88
  6. Step 6: Final answer
    x = 12,259.92

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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.