Home / 11,631.49-16,062.82-9,943.09

Finding the Fourth Proportional to 11,631.49, 16,062.82 and 9,943.09

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Solution

The fourth proportional to 11,631.49, 16,062.82 and 9,943.09 is: 13,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.49 : 16,062.82 = 9,943.09 : x
  2. Step 2: Convert to fraction form
    11,631.49/16,062.82 = 9,943.09/x
  3. Step 3: Cross multiply
    11,631.49x = 16,062.82 × 9,943.09
  4. Step 4: Simplify right side
    11,631.49x = 159,714,064.91
  5. Step 5: Solve for x
    x = 159,714,064.91/11,631.49
  6. Step 6: Final answer
    x = 13,731.18

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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.