Home / 10,985.93-16,475.49-3,965.03

Finding the Fourth Proportional to 10,985.93, 16,475.49 and 3,965.03

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Solution

The fourth proportional to 10,985.93, 16,475.49 and 3,965.03 is: 5,946.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.93 : 16,475.49 = 3,965.03 : x
  2. Step 2: Convert to fraction form
    10,985.93/16,475.49 = 3,965.03/x
  3. Step 3: Cross multiply
    10,985.93x = 16,475.49 × 3,965.03
  4. Step 4: Simplify right side
    10,985.93x = 65,325,729.74
  5. Step 5: Solve for x
    x = 65,325,729.74/10,985.93
  6. Step 6: Final answer
    x = 5,946.31

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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.