Home / 10,131.75-15,200.06-3,206.25

Finding the Fourth Proportional to 10,131.75, 15,200.06 and 3,206.25

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Solution

The fourth proportional to 10,131.75, 15,200.06 and 3,206.25 is: 4,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.75 : 15,200.06 = 3,206.25 : x
  2. Step 2: Convert to fraction form
    10,131.75/15,200.06 = 3,206.25/x
  3. Step 3: Cross multiply
    10,131.75x = 15,200.06 × 3,206.25
  4. Step 4: Simplify right side
    10,131.75x = 48,735,176.34
  5. Step 5: Solve for x
    x = 48,735,176.34/10,131.75
  6. Step 6: Final answer
    x = 4,810.14

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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.