Home / 15,775.24-23,677.44-7,989.52

Finding the Fourth Proportional to 15,775.24, 23,677.44 and 7,989.52

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Solution

The fourth proportional to 15,775.24, 23,677.44 and 7,989.52 is: 11,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,775.24 : 23,677.44 = 7,989.52 : x
  2. Step 2: Convert to fraction form
    15,775.24/23,677.44 = 7,989.52/x
  3. Step 3: Cross multiply
    15,775.24x = 23,677.44 × 7,989.52
  4. Step 4: Simplify right side
    15,775.24x = 189,171,380.43
  5. Step 5: Solve for x
    x = 189,171,380.43/15,775.24
  6. Step 6: Final answer
    x = 11,991.66

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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.