Home / 13,254.56-18,291.52-7,286.48

Finding the Fourth Proportional to 13,254.56, 18,291.52 and 7,286.48

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Solution

The fourth proportional to 13,254.56, 18,291.52 and 7,286.48 is: 10,055.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.56 : 18,291.52 = 7,286.48 : x
  2. Step 2: Convert to fraction form
    13,254.56/18,291.52 = 7,286.48/x
  3. Step 3: Cross multiply
    13,254.56x = 18,291.52 × 7,286.48
  4. Step 4: Simplify right side
    13,254.56x = 133,280,794.65
  5. Step 5: Solve for x
    x = 133,280,794.65/13,254.56
  6. Step 6: Final answer
    x = 10,055.47

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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.