Home / 11,795.82-16,277.76-6,490.05

Finding the Fourth Proportional to 11,795.82, 16,277.76 and 6,490.05

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Solution

The fourth proportional to 11,795.82, 16,277.76 and 6,490.05 is: 8,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795.82 : 16,277.76 = 6,490.05 : x
  2. Step 2: Convert to fraction form
    11,795.82/16,277.76 = 6,490.05/x
  3. Step 3: Cross multiply
    11,795.82x = 16,277.76 × 6,490.05
  4. Step 4: Simplify right side
    11,795.82x = 105,643,476.29
  5. Step 5: Solve for x
    x = 105,643,476.29/11,795.82
  6. Step 6: Final answer
    x = 8,956.01

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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.