Home / 10,628.51-15,944.50-3,231.24

Finding the Fourth Proportional to 10,628.51, 15,944.50 and 3,231.24

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Solution

The fourth proportional to 10,628.51, 15,944.50 and 3,231.24 is: 4,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.51 : 15,944.50 = 3,231.24 : x
  2. Step 2: Convert to fraction form
    10,628.51/15,944.50 = 3,231.24/x
  3. Step 3: Cross multiply
    10,628.51x = 15,944.50 × 3,231.24
  4. Step 4: Simplify right side
    10,628.51x = 51,520,506.18
  5. Step 5: Solve for x
    x = 51,520,506.18/10,628.51
  6. Step 6: Final answer
    x = 4,847.39

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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.