Home / 10,777.16-16,165.74-2,985.97

Finding the Fourth Proportional to 10,777.16, 16,165.74 and 2,985.97

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Solution

The fourth proportional to 10,777.16, 16,165.74 and 2,985.97 is: 4,478.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777.16 : 16,165.74 = 2,985.97 : x
  2. Step 2: Convert to fraction form
    10,777.16/16,165.74 = 2,985.97/x
  3. Step 3: Cross multiply
    10,777.16x = 16,165.74 × 2,985.97
  4. Step 4: Simplify right side
    10,777.16x = 48,270,414.67
  5. Step 5: Solve for x
    x = 48,270,414.67/10,777.16
  6. Step 6: Final answer
    x = 4,478.96

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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.