Home / 15,852.36-23,781.24-7,958.64

Finding the Fourth Proportional to 15,852.36, 23,781.24 and 7,958.64

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Solution

The fourth proportional to 15,852.36, 23,781.24 and 7,958.64 is: 11,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,852.36 : 23,781.24 = 7,958.64 : x
  2. Step 2: Convert to fraction form
    15,852.36/23,781.24 = 7,958.64/x
  3. Step 3: Cross multiply
    15,852.36x = 23,781.24 × 7,958.64
  4. Step 4: Simplify right side
    15,852.36x = 189,266,327.91
  5. Step 5: Solve for x
    x = 189,266,327.91/15,852.36
  6. Step 6: Final answer
    x = 11,939.32

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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.