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Finding the Fourth Proportional to 23,387.58, 35,083.18 and 7,805.18

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Solution

The fourth proportional to 23,387.58, 35,083.18 and 7,805.18 is: 11,708.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.58 : 35,083.18 = 7,805.18 : x
  2. Step 2: Convert to fraction form
    23,387.58/35,083.18 = 7,805.18/x
  3. Step 3: Cross multiply
    23,387.58x = 35,083.18 × 7,805.18
  4. Step 4: Simplify right side
    23,387.58x = 273,830,534.87
  5. Step 5: Solve for x
    x = 273,830,534.87/23,387.58
  6. Step 6: Final answer
    x = 11,708.37

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Half 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.