Home / 13,441.64-18,551.76-8,660.24

Finding the Fourth Proportional to 13,441.64, 18,551.76 and 8,660.24

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Solution

The fourth proportional to 13,441.64, 18,551.76 and 8,660.24 is: 11,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.64 : 18,551.76 = 8,660.24 : x
  2. Step 2: Convert to fraction form
    13,441.64/18,551.76 = 8,660.24/x
  3. Step 3: Cross multiply
    13,441.64x = 18,551.76 × 8,660.24
  4. Step 4: Simplify right side
    13,441.64x = 160,662,694.02
  5. Step 5: Solve for x
    x = 160,662,694.02/13,441.64
  6. Step 6: Final answer
    x = 11,952.61

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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.