Home / 11,631.79-16,051.75-6,326.56

Finding the Fourth Proportional to 11,631.79, 16,051.75 and 6,326.56

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Solution

The fourth proportional to 11,631.79, 16,051.75 and 6,326.56 is: 8,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.79 : 16,051.75 = 6,326.56 : x
  2. Step 2: Convert to fraction form
    11,631.79/16,051.75 = 6,326.56/x
  3. Step 3: Cross multiply
    11,631.79x = 16,051.75 × 6,326.56
  4. Step 4: Simplify right side
    11,631.79x = 101,552,359.48
  5. Step 5: Solve for x
    x = 101,552,359.48/11,631.79
  6. Step 6: Final answer
    x = 8,730.59

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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.