Home / 11,743.68-16,206.58-6,438.59

Finding the Fourth Proportional to 11,743.68, 16,206.58 and 6,438.59

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Solution

The fourth proportional to 11,743.68, 16,206.58 and 6,438.59 is: 8,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.68 : 16,206.58 = 6,438.59 : x
  2. Step 2: Convert to fraction form
    11,743.68/16,206.58 = 6,438.59/x
  3. Step 3: Cross multiply
    11,743.68x = 16,206.58 × 6,438.59
  4. Step 4: Simplify right side
    11,743.68x = 104,347,511.71
  5. Step 5: Solve for x
    x = 104,347,511.71/11,743.68
  6. Step 6: Final answer
    x = 8,885.42

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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.