Home / 10,556.38-15,834.79-5,010.28

Finding the Fourth Proportional to 10,556.38, 15,834.79 and 5,010.28

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Solution

The fourth proportional to 10,556.38, 15,834.79 and 5,010.28 is: 7,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.38 : 15,834.79 = 5,010.28 : x
  2. Step 2: Convert to fraction form
    10,556.38/15,834.79 = 5,010.28/x
  3. Step 3: Cross multiply
    10,556.38x = 15,834.79 × 5,010.28
  4. Step 4: Simplify right side
    10,556.38x = 79,336,742.85
  5. Step 5: Solve for x
    x = 79,336,742.85/10,556.38
  6. Step 6: Final answer
    x = 7,515.53

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1.5x scale

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.