Home / 10,193.76-15,285.60-3,619.02

Finding the Fourth Proportional to 10,193.76, 15,285.60 and 3,619.02

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Solution

The fourth proportional to 10,193.76, 15,285.60 and 3,619.02 is: 5,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.76 : 15,285.60 = 3,619.02 : x
  2. Step 2: Convert to fraction form
    10,193.76/15,285.60 = 3,619.02/x
  3. Step 3: Cross multiply
    10,193.76x = 15,285.60 × 3,619.02
  4. Step 4: Simplify right side
    10,193.76x = 55,318,892.11
  5. Step 5: Solve for x
    x = 55,318,892.11/10,193.76
  6. Step 6: Final answer
    x = 5,426.74

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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.