Home / 9,206.72-13,807.20-8,676.80

Finding the Fourth Proportional to 9,206.72, 13,807.20 and 8,676.80

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Solution

The fourth proportional to 9,206.72, 13,807.20 and 8,676.80 is: 13,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206.72 : 13,807.20 = 8,676.80 : x
  2. Step 2: Convert to fraction form
    9,206.72/13,807.20 = 8,676.80/x
  3. Step 3: Cross multiply
    9,206.72x = 13,807.20 × 8,676.80
  4. Step 4: Simplify right side
    9,206.72x = 119,802,312.96
  5. Step 5: Solve for x
    x = 119,802,312.96/9,206.72
  6. Step 6: Final answer
    x = 13,012.49

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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.