Home / 15,588.78-23,383.20-7,795.80

Finding the Fourth Proportional to 15,588.78, 23,383.20 and 7,795.80

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Solution

The fourth proportional to 15,588.78, 23,383.20 and 7,795.80 is: 11,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588.78 : 23,383.20 = 7,795.80 : x
  2. Step 2: Convert to fraction form
    15,588.78/23,383.20 = 7,795.80/x
  3. Step 3: Cross multiply
    15,588.78x = 23,383.20 × 7,795.80
  4. Step 4: Simplify right side
    15,588.78x = 182,290,750.56
  5. Step 5: Solve for x
    x = 182,290,750.56/15,588.78
  6. Step 6: Final answer
    x = 11,693.72

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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.