Home / 11,701.87-16,148.84-6,396.69

Finding the Fourth Proportional to 11,701.87, 16,148.84 and 6,396.69

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Solution

The fourth proportional to 11,701.87, 16,148.84 and 6,396.69 is: 8,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.87 : 16,148.84 = 6,396.69 : x
  2. Step 2: Convert to fraction form
    11,701.87/16,148.84 = 6,396.69/x
  3. Step 3: Cross multiply
    11,701.87x = 16,148.84 × 6,396.69
  4. Step 4: Simplify right side
    11,701.87x = 103,299,030.80
  5. Step 5: Solve for x
    x = 103,299,030.80/11,701.87
  6. Step 6: Final answer
    x = 8,827.57

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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.