Home / 10,284.84-15,428.34-3,359.34

Finding the Fourth Proportional to 10,284.84, 15,428.34 and 3,359.34

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Solution

The fourth proportional to 10,284.84, 15,428.34 and 3,359.34 is: 5,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.84 : 15,428.34 = 3,359.34 : x
  2. Step 2: Convert to fraction form
    10,284.84/15,428.34 = 3,359.34/x
  3. Step 3: Cross multiply
    10,284.84x = 15,428.34 × 3,359.34
  4. Step 4: Simplify right side
    10,284.84x = 51,829,039.70
  5. Step 5: Solve for x
    x = 51,829,039.70/10,284.84
  6. Step 6: Final answer
    x = 5,039.36

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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.