Home / 12,446.88-18,669.66-4,655.10

Finding the Fourth Proportional to 12,446.88, 18,669.66 and 4,655.10

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Solution

The fourth proportional to 12,446.88, 18,669.66 and 4,655.10 is: 6,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.88 : 18,669.66 = 4,655.10 : x
  2. Step 2: Convert to fraction form
    12,446.88/18,669.66 = 4,655.10/x
  3. Step 3: Cross multiply
    12,446.88x = 18,669.66 × 4,655.10
  4. Step 4: Simplify right side
    12,446.88x = 86,909,134.27
  5. Step 5: Solve for x
    x = 86,909,134.27/12,446.88
  6. Step 6: Final answer
    x = 6,982.40

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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.