Home / 17,685.36-24,406.44-9,728.19

Finding the Fourth Proportional to 17,685.36, 24,406.44 and 9,728.19

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Solution

The fourth proportional to 17,685.36, 24,406.44 and 9,728.19 is: 13,425.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.36 : 24,406.44 = 9,728.19 : x
  2. Step 2: Convert to fraction form
    17,685.36/24,406.44 = 9,728.19/x
  3. Step 3: Cross multiply
    17,685.36x = 24,406.44 × 9,728.19
  4. Step 4: Simplify right side
    17,685.36x = 237,430,485.54
  5. Step 5: Solve for x
    x = 237,430,485.54/17,685.36
  6. Step 6: Final answer
    x = 13,425.26

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.