Home / 9,996.24-14,990.67-3,420.66

Finding the Fourth Proportional to 9,996.24, 14,990.67 and 3,420.66

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Solution

The fourth proportional to 9,996.24, 14,990.67 and 3,420.66 is: 5,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.24 : 14,990.67 = 3,420.66 : x
  2. Step 2: Convert to fraction form
    9,996.24/14,990.67 = 3,420.66/x
  3. Step 3: Cross multiply
    9,996.24x = 14,990.67 × 3,420.66
  4. Step 4: Simplify right side
    9,996.24x = 51,277,985.24
  5. Step 5: Solve for x
    x = 51,277,985.24/9,996.24
  6. Step 6: Final answer
    x = 5,129.73

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1.5x scale

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.