Home / 15,628.37-23,432.14-8,611.68

Finding the Fourth Proportional to 15,628.37, 23,432.14 and 8,611.68

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Solution

The fourth proportional to 15,628.37, 23,432.14 and 8,611.68 is: 12,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.37 : 23,432.14 = 8,611.68 : x
  2. Step 2: Convert to fraction form
    15,628.37/23,432.14 = 8,611.68/x
  3. Step 3: Cross multiply
    15,628.37x = 23,432.14 × 8,611.68
  4. Step 4: Simplify right side
    15,628.37x = 201,790,091.40
  5. Step 5: Solve for x
    x = 201,790,091.40/15,628.37
  6. Step 6: Final answer
    x = 12,911.78

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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.