Home / 9,918.05-13,687.98-6,336.27

Finding the Fourth Proportional to 9,918.05, 13,687.98 and 6,336.27

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Solution

The fourth proportional to 9,918.05, 13,687.98 and 6,336.27 is: 8,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.05 : 13,687.98 = 6,336.27 : x
  2. Step 2: Convert to fraction form
    9,918.05/13,687.98 = 6,336.27/x
  3. Step 3: Cross multiply
    9,918.05x = 13,687.98 × 6,336.27
  4. Step 4: Simplify right side
    9,918.05x = 86,730,713.27
  5. Step 5: Solve for x
    x = 86,730,713.27/9,918.05
  6. Step 6: Final answer
    x = 8,744.74

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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.