Home / 11,752.90-17,627.60-3,430.68

Finding the Fourth Proportional to 11,752.90, 17,627.60 and 3,430.68

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Solution

The fourth proportional to 11,752.90, 17,627.60 and 3,430.68 is: 5,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.90 : 17,627.60 = 3,430.68 : x
  2. Step 2: Convert to fraction form
    11,752.90/17,627.60 = 3,430.68/x
  3. Step 3: Cross multiply
    11,752.90x = 17,627.60 × 3,430.68
  4. Step 4: Simplify right side
    11,752.90x = 60,474,597.24
  5. Step 5: Solve for x
    x = 60,474,597.24/11,752.90
  6. Step 6: Final answer
    x = 5,145.51

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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.