Home / 9,835.66-14,756.73-3,990.70

Finding the Fourth Proportional to 9,835.66, 14,756.73 and 3,990.70

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Solution

The fourth proportional to 9,835.66, 14,756.73 and 3,990.70 is: 5,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,835.66 : 14,756.73 = 3,990.70 : x
  2. Step 2: Convert to fraction form
    9,835.66/14,756.73 = 3,990.70/x
  3. Step 3: Cross multiply
    9,835.66x = 14,756.73 × 3,990.70
  4. Step 4: Simplify right side
    9,835.66x = 58,889,682.41
  5. Step 5: Solve for x
    x = 58,889,682.41/9,835.66
  6. Step 6: Final answer
    x = 5,987.36

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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.