Home / 12,316.82-18,466.79-4,419.17

Finding the Fourth Proportional to 12,316.82, 18,466.79 and 4,419.17

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Solution

The fourth proportional to 12,316.82, 18,466.79 and 4,419.17 is: 6,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.82 : 18,466.79 = 4,419.17 : x
  2. Step 2: Convert to fraction form
    12,316.82/18,466.79 = 4,419.17/x
  3. Step 3: Cross multiply
    12,316.82x = 18,466.79 × 4,419.17
  4. Step 4: Simplify right side
    12,316.82x = 81,607,769.93
  5. Step 5: Solve for x
    x = 81,607,769.93/12,316.82
  6. Step 6: Final answer
    x = 6,625.72

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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.