Home / 10,149.90-15,203.58-6,450.22

Finding the Fourth Proportional to 10,149.90, 15,203.58 and 6,450.22

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Solution

The fourth proportional to 10,149.90, 15,203.58 and 6,450.22 is: 9,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,149.90 : 15,203.58 = 6,450.22 : x
  2. Step 2: Convert to fraction form
    10,149.90/15,203.58 = 6,450.22/x
  3. Step 3: Cross multiply
    10,149.90x = 15,203.58 × 6,450.22
  4. Step 4: Simplify right side
    10,149.90x = 98,066,435.79
  5. Step 5: Solve for x
    x = 98,066,435.79/10,149.90
  6. Step 6: Final answer
    x = 9,661.81

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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.