Home / 13,465.48-18,578.60-8,086.46

Finding the Fourth Proportional to 13,465.48, 18,578.60 and 8,086.46

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Solution

The fourth proportional to 13,465.48, 18,578.60 and 8,086.46 is: 11,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.48 : 18,578.60 = 8,086.46 : x
  2. Step 2: Convert to fraction form
    13,465.48/18,578.60 = 8,086.46/x
  3. Step 3: Cross multiply
    13,465.48x = 18,578.60 × 8,086.46
  4. Step 4: Simplify right side
    13,465.48x = 150,235,105.76
  5. Step 5: Solve for x
    x = 150,235,105.76/13,465.48
  6. Step 6: Final answer
    x = 11,157.06

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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.