Home / 16,278.63-24,421.11-6,918.54

Finding the Fourth Proportional to 16,278.63, 24,421.11 and 6,918.54

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Solution

The fourth proportional to 16,278.63, 24,421.11 and 6,918.54 is: 10,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.63 : 24,421.11 = 6,918.54 : x
  2. Step 2: Convert to fraction form
    16,278.63/24,421.11 = 6,918.54/x
  3. Step 3: Cross multiply
    16,278.63x = 24,421.11 × 6,918.54
  4. Step 4: Simplify right side
    16,278.63x = 168,958,426.38
  5. Step 5: Solve for x
    x = 168,958,426.38/16,278.63
  6. Step 6: Final answer
    x = 10,379.16

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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.