Home / 10,453.14-15,671.66-3,428.91

Finding the Fourth Proportional to 10,453.14, 15,671.66 and 3,428.91

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Solution

The fourth proportional to 10,453.14, 15,671.66 and 3,428.91 is: 5,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.14 : 15,671.66 = 3,428.91 : x
  2. Step 2: Convert to fraction form
    10,453.14/15,671.66 = 3,428.91/x
  3. Step 3: Cross multiply
    10,453.14x = 15,671.66 × 3,428.91
  4. Step 4: Simplify right side
    10,453.14x = 53,736,694.55
  5. Step 5: Solve for x
    x = 53,736,694.55/10,453.14
  6. Step 6: Final answer
    x = 5,140.72

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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.