Home / 11,764.80-16,234.68-6,459.16

Finding the Fourth Proportional to 11,764.80, 16,234.68 and 6,459.16

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Solution

The fourth proportional to 11,764.80, 16,234.68 and 6,459.16 is: 8,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.80 : 16,234.68 = 6,459.16 : x
  2. Step 2: Convert to fraction form
    11,764.80/16,234.68 = 6,459.16/x
  3. Step 3: Cross multiply
    11,764.80x = 16,234.68 × 6,459.16
  4. Step 4: Simplify right side
    11,764.80x = 104,862,395.67
  5. Step 5: Solve for x
    x = 104,862,395.67/11,764.80
  6. Step 6: Final answer
    x = 8,913.23

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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.