Home / 12,308.55-18,462.21-4,516.75

Finding the Fourth Proportional to 12,308.55, 18,462.21 and 4,516.75

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Solution

The fourth proportional to 12,308.55, 18,462.21 and 4,516.75 is: 6,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.55 : 18,462.21 = 4,516.75 : x
  2. Step 2: Convert to fraction form
    12,308.55/18,462.21 = 4,516.75/x
  3. Step 3: Cross multiply
    12,308.55x = 18,462.21 × 4,516.75
  4. Step 4: Simplify right side
    12,308.55x = 83,389,187.02
  5. Step 5: Solve for x
    x = 83,389,187.02/12,308.55
  6. Step 6: Final answer
    x = 6,774.90

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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.