Home / 17,088.32-25,629.60-8,315.84

Finding the Fourth Proportional to 17,088.32, 25,629.60 and 8,315.84

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Solution

The fourth proportional to 17,088.32, 25,629.60 and 8,315.84 is: 12,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.32 : 25,629.60 = 8,315.84 : x
  2. Step 2: Convert to fraction form
    17,088.32/25,629.60 = 8,315.84/x
  3. Step 3: Cross multiply
    17,088.32x = 25,629.60 × 8,315.84
  4. Step 4: Simplify right side
    17,088.32x = 213,131,652.86
  5. Step 5: Solve for x
    x = 213,131,652.86/17,088.32
  6. Step 6: Final answer
    x = 12,472.36

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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.