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Finding the Fourth Proportional to 10,656.67, 15,985.02 and 3,261.10

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Solution

The fourth proportional to 10,656.67, 15,985.02 and 3,261.10 is: 4,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.67 : 15,985.02 = 3,261.10 : x
  2. Step 2: Convert to fraction form
    10,656.67/15,985.02 = 3,261.10/x
  3. Step 3: Cross multiply
    10,656.67x = 15,985.02 × 3,261.10
  4. Step 4: Simplify right side
    10,656.67x = 52,128,748.72
  5. Step 5: Solve for x
    x = 52,128,748.72/10,656.67
  6. Step 6: Final answer
    x = 4,891.65

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Similar ratio
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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.