Home / 10,985.53-16,474.88-3,964.63

Finding the Fourth Proportional to 10,985.53, 16,474.88 and 3,964.63

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Solution

The fourth proportional to 10,985.53, 16,474.88 and 3,964.63 is: 5,945.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.53 : 16,474.88 = 3,964.63 : x
  2. Step 2: Convert to fraction form
    10,985.53/16,474.88 = 3,964.63/x
  3. Step 3: Cross multiply
    10,985.53x = 16,474.88 × 3,964.63
  4. Step 4: Simplify right side
    10,985.53x = 65,316,803.49
  5. Step 5: Solve for x
    x = 65,316,803.49/10,985.53
  6. Step 6: Final answer
    x = 5,945.71

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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.