Home / 15,783.75-23,683.73-7,992.77

Finding the Fourth Proportional to 15,783.75, 23,683.73 and 7,992.77

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Solution

The fourth proportional to 15,783.75, 23,683.73 and 7,992.77 is: 11,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.75 : 23,683.73 = 7,992.77 : x
  2. Step 2: Convert to fraction form
    15,783.75/23,683.73 = 7,992.77/x
  3. Step 3: Cross multiply
    15,783.75x = 23,683.73 × 7,992.77
  4. Step 4: Simplify right side
    15,783.75x = 189,298,448.25
  5. Step 5: Solve for x
    x = 189,298,448.25/15,783.75
  6. Step 6: Final answer
    x = 11,993.25

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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.