Home / 14,676.72-20,255.04-8,389.50

Finding the Fourth Proportional to 14,676.72, 20,255.04 and 8,389.50

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Solution

The fourth proportional to 14,676.72, 20,255.04 and 8,389.50 is: 11,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.72 : 20,255.04 = 8,389.50 : x
  2. Step 2: Convert to fraction form
    14,676.72/20,255.04 = 8,389.50/x
  3. Step 3: Cross multiply
    14,676.72x = 20,255.04 × 8,389.50
  4. Step 4: Simplify right side
    14,676.72x = 169,929,658.08
  5. Step 5: Solve for x
    x = 169,929,658.08/14,676.72
  6. Step 6: Final answer
    x = 11,578.18

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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.