Home / 10,458.14-15,677.12-3,528.86

Finding the Fourth Proportional to 10,458.14, 15,677.12 and 3,528.86

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Solution

The fourth proportional to 10,458.14, 15,677.12 and 3,528.86 is: 5,289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.14 : 15,677.12 = 3,528.86 : x
  2. Step 2: Convert to fraction form
    10,458.14/15,677.12 = 3,528.86/x
  3. Step 3: Cross multiply
    10,458.14x = 15,677.12 × 3,528.86
  4. Step 4: Simplify right side
    10,458.14x = 55,322,361.68
  5. Step 5: Solve for x
    x = 55,322,361.68/10,458.14
  6. Step 6: Final answer
    x = 5,289.89

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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.