Home / 9,086.60-13,631.95-3,163.76

Finding the Fourth Proportional to 9,086.60, 13,631.95 and 3,163.76

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Solution

The fourth proportional to 9,086.60, 13,631.95 and 3,163.76 is: 4,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086.60 : 13,631.95 = 3,163.76 : x
  2. Step 2: Convert to fraction form
    9,086.60/13,631.95 = 3,163.76/x
  3. Step 3: Cross multiply
    9,086.60x = 13,631.95 × 3,163.76
  4. Step 4: Simplify right side
    9,086.60x = 43,128,187.25
  5. Step 5: Solve for x
    x = 43,128,187.25/9,086.60
  6. Step 6: Final answer
    x = 4,746.35

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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.