Home / 10,768.66-16,153.86-2,977.47

Finding the Fourth Proportional to 10,768.66, 16,153.86 and 2,977.47

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Solution

The fourth proportional to 10,768.66, 16,153.86 and 2,977.47 is: 4,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.66 : 16,153.86 = 2,977.47 : x
  2. Step 2: Convert to fraction form
    10,768.66/16,153.86 = 2,977.47/x
  3. Step 3: Cross multiply
    10,768.66x = 16,153.86 × 2,977.47
  4. Step 4: Simplify right side
    10,768.66x = 48,097,644.70
  5. Step 5: Solve for x
    x = 48,097,644.70/10,768.66
  6. Step 6: Final answer
    x = 4,466.45

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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.