Home / 13,264.72-18,305.76-7,296.64

Finding the Fourth Proportional to 13,264.72, 18,305.76 and 7,296.64

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Solution

The fourth proportional to 13,264.72, 18,305.76 and 7,296.64 is: 10,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.72 : 18,305.76 = 7,296.64 : x
  2. Step 2: Convert to fraction form
    13,264.72/18,305.76 = 7,296.64/x
  3. Step 3: Cross multiply
    13,264.72x = 18,305.76 × 7,296.64
  4. Step 4: Simplify right side
    13,264.72x = 133,570,540.65
  5. Step 5: Solve for x
    x = 133,570,540.65/13,264.72
  6. Step 6: Final answer
    x = 10,069.61

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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.