Home / 8,950.64-13,431.38-5,659.20

Finding the Fourth Proportional to 8,950.64, 13,431.38 and 5,659.20

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Solution

The fourth proportional to 8,950.64, 13,431.38 and 5,659.20 is: 8,492.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.64 : 13,431.38 = 5,659.20 : x
  2. Step 2: Convert to fraction form
    8,950.64/13,431.38 = 5,659.20/x
  3. Step 3: Cross multiply
    8,950.64x = 13,431.38 × 5,659.20
  4. Step 4: Simplify right side
    8,950.64x = 76,010,865.70
  5. Step 5: Solve for x
    x = 76,010,865.70/8,950.64
  6. Step 6: Final answer
    x = 8,492.23

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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.