Home / 10,203.98-15,299.08-3,538.76

Finding the Fourth Proportional to 10,203.98, 15,299.08 and 3,538.76

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Solution

The fourth proportional to 10,203.98, 15,299.08 and 3,538.76 is: 5,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.98 : 15,299.08 = 3,538.76 : x
  2. Step 2: Convert to fraction form
    10,203.98/15,299.08 = 3,538.76/x
  3. Step 3: Cross multiply
    10,203.98x = 15,299.08 × 3,538.76
  4. Step 4: Simplify right side
    10,203.98x = 54,139,687.00
  5. Step 5: Solve for x
    x = 54,139,687.00/10,203.98
  6. Step 6: Final answer
    x = 5,305.74

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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.