Home / 8,237.16-12,355.76-1,997.16

Finding the Fourth Proportional to 8,237.16, 12,355.76 and 1,997.16

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Solution

The fourth proportional to 8,237.16, 12,355.76 and 1,997.16 is: 2,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.16 : 12,355.76 = 1,997.16 : x
  2. Step 2: Convert to fraction form
    8,237.16/12,355.76 = 1,997.16/x
  3. Step 3: Cross multiply
    8,237.16x = 12,355.76 × 1,997.16
  4. Step 4: Simplify right side
    8,237.16x = 24,676,429.64
  5. Step 5: Solve for x
    x = 24,676,429.64/8,237.16
  6. Step 6: Final answer
    x = 2,995.74

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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.