Home / 11,823.36-16,311.68-6,854.40

Finding the Fourth Proportional to 11,823.36, 16,311.68 and 6,854.40

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Solution

The fourth proportional to 11,823.36, 16,311.68 and 6,854.40 is: 9,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.36 : 16,311.68 = 6,854.40 : x
  2. Step 2: Convert to fraction form
    11,823.36/16,311.68 = 6,854.40/x
  3. Step 3: Cross multiply
    11,823.36x = 16,311.68 × 6,854.40
  4. Step 4: Simplify right side
    11,823.36x = 111,806,779.39
  5. Step 5: Solve for x
    x = 111,806,779.39/11,823.36
  6. Step 6: Final answer
    x = 9,456.43

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1.5x scale

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.