Home / 10,102.95-15,158.25-3,529.80

Finding the Fourth Proportional to 10,102.95, 15,158.25 and 3,529.80

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Solution

The fourth proportional to 10,102.95, 15,158.25 and 3,529.80 is: 5,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.95 : 15,158.25 = 3,529.80 : x
  2. Step 2: Convert to fraction form
    10,102.95/15,158.25 = 3,529.80/x
  3. Step 3: Cross multiply
    10,102.95x = 15,158.25 × 3,529.80
  4. Step 4: Simplify right side
    10,102.95x = 53,505,590.85
  5. Step 5: Solve for x
    x = 53,505,590.85/10,102.95
  6. Step 6: Final answer
    x = 5,296.04

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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.