Home / 11,948.66-16,484.40-6,911.96

Finding the Fourth Proportional to 11,948.66, 16,484.40 and 6,911.96

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Solution

The fourth proportional to 11,948.66, 16,484.40 and 6,911.96 is: 9,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.66 : 16,484.40 = 6,911.96 : x
  2. Step 2: Convert to fraction form
    11,948.66/16,484.40 = 6,911.96/x
  3. Step 3: Cross multiply
    11,948.66x = 16,484.40 × 6,911.96
  4. Step 4: Simplify right side
    11,948.66x = 113,939,513.42
  5. Step 5: Solve for x
    x = 113,939,513.42/11,948.66
  6. Step 6: Final answer
    x = 9,535.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.