Home / 10,825.87-16,239.26-3,430.16

Finding the Fourth Proportional to 10,825.87, 16,239.26 and 3,430.16

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Solution

The fourth proportional to 10,825.87, 16,239.26 and 3,430.16 is: 5,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.87 : 16,239.26 = 3,430.16 : x
  2. Step 2: Convert to fraction form
    10,825.87/16,239.26 = 3,430.16/x
  3. Step 3: Cross multiply
    10,825.87x = 16,239.26 × 3,430.16
  4. Step 4: Simplify right side
    10,825.87x = 55,703,330.06
  5. Step 5: Solve for x
    x = 55,703,330.06/10,825.87
  6. Step 6: Final answer
    x = 5,145.39

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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.