Home / 9,963.81-13,756.67-6,192.60

Finding the Fourth Proportional to 9,963.81, 13,756.67 and 6,192.60

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Solution

The fourth proportional to 9,963.81, 13,756.67 and 6,192.60 is: 8,549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.81 : 13,756.67 = 6,192.60 : x
  2. Step 2: Convert to fraction form
    9,963.81/13,756.67 = 6,192.60/x
  3. Step 3: Cross multiply
    9,963.81x = 13,756.67 × 6,192.60
  4. Step 4: Simplify right side
    9,963.81x = 85,189,454.90
  5. Step 5: Solve for x
    x = 85,189,454.90/9,963.81
  6. Step 6: Final answer
    x = 8,549.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.