Home / 10,656.88-15,987.74-3,261.92

Finding the Fourth Proportional to 10,656.88, 15,987.74 and 3,261.92

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Solution

The fourth proportional to 10,656.88, 15,987.74 and 3,261.92 is: 4,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.88 : 15,987.74 = 3,261.92 : x
  2. Step 2: Convert to fraction form
    10,656.88/15,987.74 = 3,261.92/x
  3. Step 3: Cross multiply
    10,656.88x = 15,987.74 × 3,261.92
  4. Step 4: Simplify right side
    10,656.88x = 52,150,728.86
  5. Step 5: Solve for x
    x = 52,150,728.86/10,656.88
  6. Step 6: Final answer
    x = 4,893.62

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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.