Home / 12,548.03-18,829.34-4,757.45

Finding the Fourth Proportional to 12,548.03, 18,829.34 and 4,757.45

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Solution

The fourth proportional to 12,548.03, 18,829.34 and 4,757.45 is: 7,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.03 : 18,829.34 = 4,757.45 : x
  2. Step 2: Convert to fraction form
    12,548.03/18,829.34 = 4,757.45/x
  3. Step 3: Cross multiply
    12,548.03x = 18,829.34 × 4,757.45
  4. Step 4: Simplify right side
    12,548.03x = 89,579,643.58
  5. Step 5: Solve for x
    x = 89,579,643.58/12,548.03
  6. Step 6: Final answer
    x = 7,138.94

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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.