Home / 10,135.09-15,198.76-4,868.63

Finding the Fourth Proportional to 10,135.09, 15,198.76 and 4,868.63

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Solution

The fourth proportional to 10,135.09, 15,198.76 and 4,868.63 is: 7,301.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.09 : 15,198.76 = 4,868.63 : x
  2. Step 2: Convert to fraction form
    10,135.09/15,198.76 = 4,868.63/x
  3. Step 3: Cross multiply
    10,135.09x = 15,198.76 × 4,868.63
  4. Step 4: Simplify right side
    10,135.09x = 73,997,164.72
  5. Step 5: Solve for x
    x = 73,997,164.72/10,135.09
  6. Step 6: Final answer
    x = 7,301.09

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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.