Home / 16,469.28-22,727.61-8,915.61

Finding the Fourth Proportional to 16,469.28, 22,727.61 and 8,915.61

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Solution

The fourth proportional to 16,469.28, 22,727.61 and 8,915.61 is: 12,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,469.28 : 22,727.61 = 8,915.61 : x
  2. Step 2: Convert to fraction form
    16,469.28/22,727.61 = 8,915.61/x
  3. Step 3: Cross multiply
    16,469.28x = 22,727.61 × 8,915.61
  4. Step 4: Simplify right side
    16,469.28x = 202,630,506.99
  5. Step 5: Solve for x
    x = 202,630,506.99/16,469.28
  6. Step 6: Final answer
    x = 12,303.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.