Home / 12,548.88-18,822.24-4,757.76

Finding the Fourth Proportional to 12,548.88, 18,822.24 and 4,757.76

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Solution

The fourth proportional to 12,548.88, 18,822.24 and 4,757.76 is: 7,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.88 : 18,822.24 = 4,757.76 : x
  2. Step 2: Convert to fraction form
    12,548.88/18,822.24 = 4,757.76/x
  3. Step 3: Cross multiply
    12,548.88x = 18,822.24 × 4,757.76
  4. Step 4: Simplify right side
    12,548.88x = 89,551,700.58
  5. Step 5: Solve for x
    x = 89,551,700.58/12,548.88
  6. Step 6: Final answer
    x = 7,136.23

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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.