Home / 11,213.70-16,820.55-10,666.95

Finding the Fourth Proportional to 11,213.70, 16,820.55 and 10,666.95

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Solution

The fourth proportional to 11,213.70, 16,820.55 and 10,666.95 is: 16,000.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.70 : 16,820.55 = 10,666.95 : x
  2. Step 2: Convert to fraction form
    11,213.70/16,820.55 = 10,666.95/x
  3. Step 3: Cross multiply
    11,213.70x = 16,820.55 × 10,666.95
  4. Step 4: Simplify right side
    11,213.70x = 179,423,965.82
  5. Step 5: Solve for x
    x = 179,423,965.82/11,213.70
  6. Step 6: Final answer
    x = 16,000.43

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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.