Home / 10,825.71-16,238.35-3,430.63

Finding the Fourth Proportional to 10,825.71, 16,238.35 and 3,430.63

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Solution

The fourth proportional to 10,825.71, 16,238.35 and 3,430.63 is: 5,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.71 : 16,238.35 = 3,430.63 : x
  2. Step 2: Convert to fraction form
    10,825.71/16,238.35 = 3,430.63/x
  3. Step 3: Cross multiply
    10,825.71x = 16,238.35 × 3,430.63
  4. Step 4: Simplify right side
    10,825.71x = 55,707,770.66
  5. Step 5: Solve for x
    x = 55,707,770.66/10,825.71
  6. Step 6: Final answer
    x = 5,145.88

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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.