Home / 15,659.22-21,608.94-8,585.46

Finding the Fourth Proportional to 15,659.22, 21,608.94 and 8,585.46

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Solution

The fourth proportional to 15,659.22, 21,608.94 and 8,585.46 is: 11,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.22 : 21,608.94 = 8,585.46 : x
  2. Step 2: Convert to fraction form
    15,659.22/21,608.94 = 8,585.46/x
  3. Step 3: Cross multiply
    15,659.22x = 21,608.94 × 8,585.46
  4. Step 4: Simplify right side
    15,659.22x = 185,522,690.01
  5. Step 5: Solve for x
    x = 185,522,690.01/15,659.22
  6. Step 6: Final answer
    x = 11,847.51

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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.