Home / 13,254.93-18,292.14-7,286.75

Finding the Fourth Proportional to 13,254.93, 18,292.14 and 7,286.75

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Solution

The fourth proportional to 13,254.93, 18,292.14 and 7,286.75 is: 10,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.93 : 18,292.14 = 7,286.75 : x
  2. Step 2: Convert to fraction form
    13,254.93/18,292.14 = 7,286.75/x
  3. Step 3: Cross multiply
    13,254.93x = 18,292.14 × 7,286.75
  4. Step 4: Simplify right side
    13,254.93x = 133,290,251.15
  5. Step 5: Solve for x
    x = 133,290,251.15/13,254.93
  6. Step 6: Final answer
    x = 10,055.90

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Half scale
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Double scale
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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.