Home / 10,776.76-16,165.14-2,985.64

Finding the Fourth Proportional to 10,776.76, 16,165.14 and 2,985.64

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Solution

The fourth proportional to 10,776.76, 16,165.14 and 2,985.64 is: 4,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.76 : 16,165.14 = 2,985.64 : x
  2. Step 2: Convert to fraction form
    10,776.76/16,165.14 = 2,985.64/x
  3. Step 3: Cross multiply
    10,776.76x = 16,165.14 × 2,985.64
  4. Step 4: Simplify right side
    10,776.76x = 48,263,288.59
  5. Step 5: Solve for x
    x = 48,263,288.59/10,776.76
  6. Step 6: Final answer
    x = 4,478.46

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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.