Home / 10,284.34-15,429.30-3,358.84

Finding the Fourth Proportional to 10,284.34, 15,429.30 and 3,358.84

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Solution

The fourth proportional to 10,284.34, 15,429.30 and 3,358.84 is: 5,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.34 : 15,429.30 = 3,358.84 : x
  2. Step 2: Convert to fraction form
    10,284.34/15,429.30 = 3,358.84/x
  3. Step 3: Cross multiply
    10,284.34x = 15,429.30 × 3,358.84
  4. Step 4: Simplify right side
    10,284.34x = 51,824,550.01
  5. Step 5: Solve for x
    x = 51,824,550.01/10,284.34
  6. Step 6: Final answer
    x = 5,039.17

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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.