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Finding the Fourth Proportional to 10,461.96, 14,437.08 and 5,745.96

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Solution

The fourth proportional to 10,461.96, 14,437.08 and 5,745.96 is: 7,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.96 : 14,437.08 = 5,745.96 : x
  2. Step 2: Convert to fraction form
    10,461.96/14,437.08 = 5,745.96/x
  3. Step 3: Cross multiply
    10,461.96x = 14,437.08 × 5,745.96
  4. Step 4: Simplify right side
    10,461.96x = 82,954,884.20
  5. Step 5: Solve for x
    x = 82,954,884.20/10,461.96
  6. Step 6: Final answer
    x = 7,929.19

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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.