Home / 11,217.40-16,827.30-4,200.76

Finding the Fourth Proportional to 11,217.40, 16,827.30 and 4,200.76

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Solution

The fourth proportional to 11,217.40, 16,827.30 and 4,200.76 is: 6,301.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.40 : 16,827.30 = 4,200.76 : x
  2. Step 2: Convert to fraction form
    11,217.40/16,827.30 = 4,200.76/x
  3. Step 3: Cross multiply
    11,217.40x = 16,827.30 × 4,200.76
  4. Step 4: Simplify right side
    11,217.40x = 70,687,448.75
  5. Step 5: Solve for x
    x = 70,687,448.75/11,217.40
  6. Step 6: Final answer
    x = 6,301.59

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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.