Home / 10,776.66-16,164.99-2,985.47

Finding the Fourth Proportional to 10,776.66, 16,164.99 and 2,985.47

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Solution

The fourth proportional to 10,776.66, 16,164.99 and 2,985.47 is: 4,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.66 : 16,164.99 = 2,985.47 : x
  2. Step 2: Convert to fraction form
    10,776.66/16,164.99 = 2,985.47/x
  3. Step 3: Cross multiply
    10,776.66x = 16,164.99 × 2,985.47
  4. Step 4: Simplify right side
    10,776.66x = 48,260,092.70
  5. Step 5: Solve for x
    x = 48,260,092.70/10,776.66
  6. Step 6: Final answer
    x = 4,478.21

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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.