Home / 9,009.49-13,514.24-7,681.09

Finding the Fourth Proportional to 9,009.49, 13,514.24 and 7,681.09

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Solution

The fourth proportional to 9,009.49, 13,514.24 and 7,681.09 is: 11,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.49 : 13,514.24 = 7,681.09 : x
  2. Step 2: Convert to fraction form
    9,009.49/13,514.24 = 7,681.09/x
  3. Step 3: Cross multiply
    9,009.49x = 13,514.24 × 7,681.09
  4. Step 4: Simplify right side
    9,009.49x = 103,804,093.72
  5. Step 5: Solve for x
    x = 103,804,093.72/9,009.49
  6. Step 6: Final answer
    x = 11,521.64

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.