Home / 10,825.97-16,239.40-3,430.26

Finding the Fourth Proportional to 10,825.97, 16,239.40 and 3,430.26

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Solution

The fourth proportional to 10,825.97, 16,239.40 and 3,430.26 is: 5,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.97 : 16,239.40 = 3,430.26 : x
  2. Step 2: Convert to fraction form
    10,825.97/16,239.40 = 3,430.26/x
  3. Step 3: Cross multiply
    10,825.97x = 16,239.40 × 3,430.26
  4. Step 4: Simplify right side
    10,825.97x = 55,705,364.24
  5. Step 5: Solve for x
    x = 55,705,364.24/10,825.97
  6. Step 6: Final answer
    x = 5,145.53

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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.