Home / 11,813.60-16,302.84-6,508.38

Finding the Fourth Proportional to 11,813.60, 16,302.84 and 6,508.38

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Solution

The fourth proportional to 11,813.60, 16,302.84 and 6,508.38 is: 8,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.60 : 16,302.84 = 6,508.38 : x
  2. Step 2: Convert to fraction form
    11,813.60/16,302.84 = 6,508.38/x
  3. Step 3: Cross multiply
    11,813.60x = 16,302.84 × 6,508.38
  4. Step 4: Simplify right side
    11,813.60x = 106,105,077.80
  5. Step 5: Solve for x
    x = 106,105,077.80/11,813.60
  6. Step 6: Final answer
    x = 8,981.60

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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.