Home / 11,701.81-16,148.31-6,396.52

Finding the Fourth Proportional to 11,701.81, 16,148.31 and 6,396.52

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Solution

The fourth proportional to 11,701.81, 16,148.31 and 6,396.52 is: 8,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.81 : 16,148.31 = 6,396.52 : x
  2. Step 2: Convert to fraction form
    11,701.81/16,148.31 = 6,396.52/x
  3. Step 3: Cross multiply
    11,701.81x = 16,148.31 × 6,396.52
  4. Step 4: Simplify right side
    11,701.81x = 103,292,987.88
  5. Step 5: Solve for x
    x = 103,292,987.88/11,701.81
  6. Step 6: Final answer
    x = 8,827.09

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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.