Home / 11,817.60-17,709.68-6,554.92

Finding the Fourth Proportional to 11,817.60, 17,709.68 and 6,554.92

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Solution

The fourth proportional to 11,817.60, 17,709.68 and 6,554.92 is: 9,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817.60 : 17,709.68 = 6,554.92 : x
  2. Step 2: Convert to fraction form
    11,817.60/17,709.68 = 6,554.92/x
  3. Step 3: Cross multiply
    11,817.60x = 17,709.68 × 6,554.92
  4. Step 4: Simplify right side
    11,817.60x = 116,085,502.85
  5. Step 5: Solve for x
    x = 116,085,502.85/11,817.60
  6. Step 6: Final answer
    x = 9,823.11

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1.5x scale

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.