Home / 11,148.06-16,710.86-6,991.01

Finding the Fourth Proportional to 11,148.06, 16,710.86 and 6,991.01

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Solution

The fourth proportional to 11,148.06, 16,710.86 and 6,991.01 is: 10,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.06 : 16,710.86 = 6,991.01 : x
  2. Step 2: Convert to fraction form
    11,148.06/16,710.86 = 6,991.01/x
  3. Step 3: Cross multiply
    11,148.06x = 16,710.86 × 6,991.01
  4. Step 4: Simplify right side
    11,148.06x = 116,825,670.86
  5. Step 5: Solve for x
    x = 116,825,670.86/11,148.06
  6. Step 6: Final answer
    x = 10,479.46

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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.