Home / 12,318-18,477.16-4,110

Finding the Fourth Proportional to 12,318, 18,477.16 and 4,110

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Solution

The fourth proportional to 12,318, 18,477.16 and 4,110 is: 6,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318 : 18,477.16 = 4,110 : x
  2. Step 2: Convert to fraction form
    12,318/18,477.16 = 4,110/x
  3. Step 3: Cross multiply
    12,318x = 18,477.16 × 4,110
  4. Step 4: Simplify right side
    12,318x = 75,941,127.60
  5. Step 5: Solve for x
    x = 75,941,127.60/12,318
  6. Step 6: Final answer
    x = 6,165.05

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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.