Home / 13,254.66-18,291.44-7,286.43

Finding the Fourth Proportional to 13,254.66, 18,291.44 and 7,286.43

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Solution

The fourth proportional to 13,254.66, 18,291.44 and 7,286.43 is: 10,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.66 : 18,291.44 = 7,286.43 : x
  2. Step 2: Convert to fraction form
    13,254.66/18,291.44 = 7,286.43/x
  3. Step 3: Cross multiply
    13,254.66x = 18,291.44 × 7,286.43
  4. Step 4: Simplify right side
    13,254.66x = 133,279,315.38
  5. Step 5: Solve for x
    x = 133,279,315.38/13,254.66
  6. Step 6: Final answer
    x = 10,055.28

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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.