Home / 10,712.53-16,068.41-2,814.99

Finding the Fourth Proportional to 10,712.53, 16,068.41 and 2,814.99

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Solution

The fourth proportional to 10,712.53, 16,068.41 and 2,814.99 is: 4,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.53 : 16,068.41 = 2,814.99 : x
  2. Step 2: Convert to fraction form
    10,712.53/16,068.41 = 2,814.99/x
  3. Step 3: Cross multiply
    10,712.53x = 16,068.41 × 2,814.99
  4. Step 4: Simplify right side
    10,712.53x = 45,232,413.47
  5. Step 5: Solve for x
    x = 45,232,413.47/10,712.53
  6. Step 6: Final answer
    x = 4,222.38

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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.