Home / 10,126.04-15,189.60-3,200

Finding the Fourth Proportional to 10,126.04, 15,189.60 and 3,200

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Solution

The fourth proportional to 10,126.04, 15,189.60 and 3,200 is: 4,800.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.04 : 15,189.60 = 3,200 : x
  2. Step 2: Convert to fraction form
    10,126.04/15,189.60 = 3,200/x
  3. Step 3: Cross multiply
    10,126.04x = 15,189.60 × 3,200
  4. Step 4: Simplify right side
    10,126.04x = 48,606,720
  5. Step 5: Solve for x
    x = 48,606,720/10,126.04
  6. Step 6: Final answer
    x = 4,800.17

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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.