Home / 10,259.97-15,392.34-3,240.68

Finding the Fourth Proportional to 10,259.97, 15,392.34 and 3,240.68

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Solution

The fourth proportional to 10,259.97, 15,392.34 and 3,240.68 is: 4,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.97 : 15,392.34 = 3,240.68 : x
  2. Step 2: Convert to fraction form
    10,259.97/15,392.34 = 3,240.68/x
  3. Step 3: Cross multiply
    10,259.97x = 15,392.34 × 3,240.68
  4. Step 4: Simplify right side
    10,259.97x = 49,881,686.87
  5. Step 5: Solve for x
    x = 49,881,686.87/10,259.97
  6. Step 6: Final answer
    x = 4,861.78

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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.