Home / 12,316.36-18,463.50-4,519.72

Finding the Fourth Proportional to 12,316.36, 18,463.50 and 4,519.72

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Solution

The fourth proportional to 12,316.36, 18,463.50 and 4,519.72 is: 6,775.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.36 : 18,463.50 = 4,519.72 : x
  2. Step 2: Convert to fraction form
    12,316.36/18,463.50 = 4,519.72/x
  3. Step 3: Cross multiply
    12,316.36x = 18,463.50 × 4,519.72
  4. Step 4: Simplify right side
    12,316.36x = 83,449,850.22
  5. Step 5: Solve for x
    x = 83,449,850.22/12,316.36
  6. Step 6: Final answer
    x = 6,775.53

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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.