Home / 9,963.85-14,945.27-3,390.16

Finding the Fourth Proportional to 9,963.85, 14,945.27 and 3,390.16

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Solution

The fourth proportional to 9,963.85, 14,945.27 and 3,390.16 is: 5,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.85 : 14,945.27 = 3,390.16 : x
  2. Step 2: Convert to fraction form
    9,963.85/14,945.27 = 3,390.16/x
  3. Step 3: Cross multiply
    9,963.85x = 14,945.27 × 3,390.16
  4. Step 4: Simplify right side
    9,963.85x = 50,666,839.59
  5. Step 5: Solve for x
    x = 50,666,839.59/9,963.85
  6. Step 6: Final answer
    x = 5,085.07

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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.