Home / 11,128.20-16,692.30-10,034.70

Finding the Fourth Proportional to 11,128.20, 16,692.30 and 10,034.70

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Solution

The fourth proportional to 11,128.20, 16,692.30 and 10,034.70 is: 15,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.20 : 16,692.30 = 10,034.70 : x
  2. Step 2: Convert to fraction form
    11,128.20/16,692.30 = 10,034.70/x
  3. Step 3: Cross multiply
    11,128.20x = 16,692.30 × 10,034.70
  4. Step 4: Simplify right side
    11,128.20x = 167,502,222.81
  5. Step 5: Solve for x
    x = 167,502,222.81/11,128.20
  6. Step 6: Final answer
    x = 15,052.05

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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.