Home / 11,031.28-16,524.63-8,813.86

Finding the Fourth Proportional to 11,031.28, 16,524.63 and 8,813.86

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Solution

The fourth proportional to 11,031.28, 16,524.63 and 8,813.86 is: 13,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.28 : 16,524.63 = 8,813.86 : x
  2. Step 2: Convert to fraction form
    11,031.28/16,524.63 = 8,813.86/x
  3. Step 3: Cross multiply
    11,031.28x = 16,524.63 × 8,813.86
  4. Step 4: Simplify right side
    11,031.28x = 145,645,775.37
  5. Step 5: Solve for x
    x = 145,645,775.37/11,031.28
  6. Step 6: Final answer
    x = 13,202.98

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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.