Home / 11,743.84-16,206.34-6,438.66

Finding the Fourth Proportional to 11,743.84, 16,206.34 and 6,438.66

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Solution

The fourth proportional to 11,743.84, 16,206.34 and 6,438.66 is: 8,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.84 : 16,206.34 = 6,438.66 : x
  2. Step 2: Convert to fraction form
    11,743.84/16,206.34 = 6,438.66/x
  3. Step 3: Cross multiply
    11,743.84x = 16,206.34 × 6,438.66
  4. Step 4: Simplify right side
    11,743.84x = 104,347,113.10
  5. Step 5: Solve for x
    x = 104,347,113.10/11,743.84
  6. Step 6: Final answer
    x = 8,885.26

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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.