Home / 11,717.82-16,171.40-7,732.01

Finding the Fourth Proportional to 11,717.82, 16,171.40 and 7,732.01

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Solution

The fourth proportional to 11,717.82, 16,171.40 and 7,732.01 is: 10,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.82 : 16,171.40 = 7,732.01 : x
  2. Step 2: Convert to fraction form
    11,717.82/16,171.40 = 7,732.01/x
  3. Step 3: Cross multiply
    11,717.82x = 16,171.40 × 7,732.01
  4. Step 4: Simplify right side
    11,717.82x = 125,037,307.00
  5. Step 5: Solve for x
    x = 125,037,307.00/11,717.82
  6. Step 6: Final answer
    x = 10,670.70

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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.