Home / 11,383.74-17,071.56-6,987.96

Finding the Fourth Proportional to 11,383.74, 17,071.56 and 6,987.96

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Solution

The fourth proportional to 11,383.74, 17,071.56 and 6,987.96 is: 10,479.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.74 : 17,071.56 = 6,987.96 : x
  2. Step 2: Convert to fraction form
    11,383.74/17,071.56 = 6,987.96/x
  3. Step 3: Cross multiply
    11,383.74x = 17,071.56 × 6,987.96
  4. Step 4: Simplify right side
    11,383.74x = 119,295,378.42
  5. Step 5: Solve for x
    x = 119,295,378.42/11,383.74
  6. Step 6: Final answer
    x = 10,479.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.