Home / 12,558.85-18,825.51-5,542.68

Finding the Fourth Proportional to 12,558.85, 18,825.51 and 5,542.68

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Solution

The fourth proportional to 12,558.85, 18,825.51 and 5,542.68 is: 8,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.85 : 18,825.51 = 5,542.68 : x
  2. Step 2: Convert to fraction form
    12,558.85/18,825.51 = 5,542.68/x
  3. Step 3: Cross multiply
    12,558.85x = 18,825.51 × 5,542.68
  4. Step 4: Simplify right side
    12,558.85x = 104,343,763.25
  5. Step 5: Solve for x
    x = 104,343,763.25/12,558.85
  6. Step 6: Final answer
    x = 8,308.39

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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.