Home / 11,752.96-16,219.16-6,447.84

Finding the Fourth Proportional to 11,752.96, 16,219.16 and 6,447.84

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Solution

The fourth proportional to 11,752.96, 16,219.16 and 6,447.84 is: 8,898.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,752.96 : 16,219.16 = 6,447.84 : x
  2. Step 2: Convert to fraction form
    11,752.96/16,219.16 = 6,447.84/x
  3. Step 3: Cross multiply
    11,752.96x = 16,219.16 × 6,447.84
  4. Step 4: Simplify right side
    11,752.96x = 104,578,548.61
  5. Step 5: Solve for x
    x = 104,578,548.61/11,752.96
  6. Step 6: Final answer
    x = 8,898.06

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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.