Home / 10,206.27-15,313.79-4,284.56

Finding the Fourth Proportional to 10,206.27, 15,313.79 and 4,284.56

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Solution

The fourth proportional to 10,206.27, 15,313.79 and 4,284.56 is: 6,428.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.27 : 15,313.79 = 4,284.56 : x
  2. Step 2: Convert to fraction form
    10,206.27/15,313.79 = 4,284.56/x
  3. Step 3: Cross multiply
    10,206.27x = 15,313.79 × 4,284.56
  4. Step 4: Simplify right side
    10,206.27x = 65,612,901.08
  5. Step 5: Solve for x
    x = 65,612,901.08/10,206.27
  6. Step 6: Final answer
    x = 6,428.69

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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.