Home / 10,448.36-15,654.88-5,176.34

Finding the Fourth Proportional to 10,448.36, 15,654.88 and 5,176.34

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Solution

The fourth proportional to 10,448.36, 15,654.88 and 5,176.34 is: 7,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.36 : 15,654.88 = 5,176.34 : x
  2. Step 2: Convert to fraction form
    10,448.36/15,654.88 = 5,176.34/x
  3. Step 3: Cross multiply
    10,448.36x = 15,654.88 × 5,176.34
  4. Step 4: Simplify right side
    10,448.36x = 81,034,890.32
  5. Step 5: Solve for x
    x = 81,034,890.32/10,448.36
  6. Step 6: Final answer
    x = 7,755.76

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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.