Home / 10,429.54-15,633.78-6,536.68

Finding the Fourth Proportional to 10,429.54, 15,633.78 and 6,536.68

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Solution

The fourth proportional to 10,429.54, 15,633.78 and 6,536.68 is: 9,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.54 : 15,633.78 = 6,536.68 : x
  2. Step 2: Convert to fraction form
    10,429.54/15,633.78 = 6,536.68/x
  3. Step 3: Cross multiply
    10,429.54x = 15,633.78 × 6,536.68
  4. Step 4: Simplify right side
    10,429.54x = 102,193,017.05
  5. Step 5: Solve for x
    x = 102,193,017.05/10,429.54
  6. Step 6: Final answer
    x = 9,798.42

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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.