Home / 8,247.16-12,347.40-7,468.64

Finding the Fourth Proportional to 8,247.16, 12,347.40 and 7,468.64

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Solution

The fourth proportional to 8,247.16, 12,347.40 and 7,468.64 is: 11,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.16 : 12,347.40 = 7,468.64 : x
  2. Step 2: Convert to fraction form
    8,247.16/12,347.40 = 7,468.64/x
  3. Step 3: Cross multiply
    8,247.16x = 12,347.40 × 7,468.64
  4. Step 4: Simplify right side
    8,247.16x = 92,218,285.54
  5. Step 5: Solve for x
    x = 92,218,285.54/8,247.16
  6. Step 6: Final answer
    x = 11,181.82

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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.