Home / 13,101.88-19,648.54-4,334.60

Finding the Fourth Proportional to 13,101.88, 19,648.54 and 4,334.60

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Solution

The fourth proportional to 13,101.88, 19,648.54 and 4,334.60 is: 6,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.88 : 19,648.54 = 4,334.60 : x
  2. Step 2: Convert to fraction form
    13,101.88/19,648.54 = 4,334.60/x
  3. Step 3: Cross multiply
    13,101.88x = 19,648.54 × 4,334.60
  4. Step 4: Simplify right side
    13,101.88x = 85,168,561.48
  5. Step 5: Solve for x
    x = 85,168,561.48/13,101.88
  6. Step 6: Final answer
    x = 6,500.48

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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.