Home / 11,777.81-16,253.66-6,473.12

Finding the Fourth Proportional to 11,777.81, 16,253.66 and 6,473.12

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Solution

The fourth proportional to 11,777.81, 16,253.66 and 6,473.12 is: 8,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.81 : 16,253.66 = 6,473.12 : x
  2. Step 2: Convert to fraction form
    11,777.81/16,253.66 = 6,473.12/x
  3. Step 3: Cross multiply
    11,777.81x = 16,253.66 × 6,473.12
  4. Step 4: Simplify right side
    11,777.81x = 105,211,826.53
  5. Step 5: Solve for x
    x = 105,211,826.53/11,777.81
  6. Step 6: Final answer
    x = 8,933.06

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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.