Home / 9,955.48-13,743.80-6,785.56

Finding the Fourth Proportional to 9,955.48, 13,743.80 and 6,785.56

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Solution

The fourth proportional to 9,955.48, 13,743.80 and 6,785.56 is: 9,367.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.48 : 13,743.80 = 6,785.56 : x
  2. Step 2: Convert to fraction form
    9,955.48/13,743.80 = 6,785.56/x
  3. Step 3: Cross multiply
    9,955.48x = 13,743.80 × 6,785.56
  4. Step 4: Simplify right side
    9,955.48x = 93,259,379.53
  5. Step 5: Solve for x
    x = 93,259,379.53/9,955.48
  6. Step 6: Final answer
    x = 9,367.64

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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.