Home / 10,236.90-15,352.07-3,995.39

Finding the Fourth Proportional to 10,236.90, 15,352.07 and 3,995.39

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Solution

The fourth proportional to 10,236.90, 15,352.07 and 3,995.39 is: 5,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.90 : 15,352.07 = 3,995.39 : x
  2. Step 2: Convert to fraction form
    10,236.90/15,352.07 = 3,995.39/x
  3. Step 3: Cross multiply
    10,236.90x = 15,352.07 × 3,995.39
  4. Step 4: Simplify right side
    10,236.90x = 61,337,506.96
  5. Step 5: Solve for x
    x = 61,337,506.96/10,236.90
  6. Step 6: Final answer
    x = 5,991.80

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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.