Home / 10,364.75-15,556.13-5,437.85

Finding the Fourth Proportional to 10,364.75, 15,556.13 and 5,437.85

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Solution

The fourth proportional to 10,364.75, 15,556.13 and 5,437.85 is: 8,161.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.75 : 15,556.13 = 5,437.85 : x
  2. Step 2: Convert to fraction form
    10,364.75/15,556.13 = 5,437.85/x
  3. Step 3: Cross multiply
    10,364.75x = 15,556.13 × 5,437.85
  4. Step 4: Simplify right side
    10,364.75x = 84,591,954.01
  5. Step 5: Solve for x
    x = 84,591,954.01/10,364.75
  6. Step 6: Final answer
    x = 8,161.51

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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.