Home / 13,577.76-18,738.45-7,608.60

Finding the Fourth Proportional to 13,577.76, 18,738.45 and 7,608.60

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Solution

The fourth proportional to 13,577.76, 18,738.45 and 7,608.60 is: 10,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.76 : 18,738.45 = 7,608.60 : x
  2. Step 2: Convert to fraction form
    13,577.76/18,738.45 = 7,608.60/x
  3. Step 3: Cross multiply
    13,577.76x = 18,738.45 × 7,608.60
  4. Step 4: Simplify right side
    13,577.76x = 142,573,370.67
  5. Step 5: Solve for x
    x = 142,573,370.67/13,577.76
  6. Step 6: Final answer
    x = 10,500.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.