Home / 10,656.56-15,984.84-3,261.16

Finding the Fourth Proportional to 10,656.56, 15,984.84 and 3,261.16

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Solution

The fourth proportional to 10,656.56, 15,984.84 and 3,261.16 is: 4,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.56 : 15,984.84 = 3,261.16 : x
  2. Step 2: Convert to fraction form
    10,656.56/15,984.84 = 3,261.16/x
  3. Step 3: Cross multiply
    10,656.56x = 15,984.84 × 3,261.16
  4. Step 4: Simplify right side
    10,656.56x = 52,129,024.58
  5. Step 5: Solve for x
    x = 52,129,024.58/10,656.56
  6. Step 6: Final answer
    x = 4,891.73

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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.