Home / 8,260.08-12,411.72-7,735.20

Finding the Fourth Proportional to 8,260.08, 12,411.72 and 7,735.20

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Solution

The fourth proportional to 8,260.08, 12,411.72 and 7,735.20 is: 11,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.08 : 12,411.72 = 7,735.20 : x
  2. Step 2: Convert to fraction form
    8,260.08/12,411.72 = 7,735.20/x
  3. Step 3: Cross multiply
    8,260.08x = 12,411.72 × 7,735.20
  4. Step 4: Simplify right side
    8,260.08x = 96,007,136.54
  5. Step 5: Solve for x
    x = 96,007,136.54/8,260.08
  6. Step 6: Final answer
    x = 11,623.03

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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.