Home / 11,228.68-16,835.82-4,659.40

Finding the Fourth Proportional to 11,228.68, 16,835.82 and 4,659.40

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Solution

The fourth proportional to 11,228.68, 16,835.82 and 4,659.40 is: 6,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.68 : 16,835.82 = 4,659.40 : x
  2. Step 2: Convert to fraction form
    11,228.68/16,835.82 = 4,659.40/x
  3. Step 3: Cross multiply
    11,228.68x = 16,835.82 × 4,659.40
  4. Step 4: Simplify right side
    11,228.68x = 78,444,819.71
  5. Step 5: Solve for x
    x = 78,444,819.71/11,228.68
  6. Step 6: Final answer
    x = 6,986.11

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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.