Home / 13,350.51-18,425.07-7,382.64

Finding the Fourth Proportional to 13,350.51, 18,425.07 and 7,382.64

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Solution

The fourth proportional to 13,350.51, 18,425.07 and 7,382.64 is: 10,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,350.51 : 18,425.07 = 7,382.64 : x
  2. Step 2: Convert to fraction form
    13,350.51/18,425.07 = 7,382.64/x
  3. Step 3: Cross multiply
    13,350.51x = 18,425.07 × 7,382.64
  4. Step 4: Simplify right side
    13,350.51x = 136,025,658.78
  5. Step 5: Solve for x
    x = 136,025,658.78/13,350.51
  6. Step 6: Final answer
    x = 10,188.80

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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.