Home / 11,747.90-16,211.16-6,711.41

Finding the Fourth Proportional to 11,747.90, 16,211.16 and 6,711.41

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Solution

The fourth proportional to 11,747.90, 16,211.16 and 6,711.41 is: 9,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.90 : 16,211.16 = 6,711.41 : x
  2. Step 2: Convert to fraction form
    11,747.90/16,211.16 = 6,711.41/x
  3. Step 3: Cross multiply
    11,747.90x = 16,211.16 × 6,711.41
  4. Step 4: Simplify right side
    11,747.90x = 108,799,741.34
  5. Step 5: Solve for x
    x = 108,799,741.34/11,747.90
  6. Step 6: Final answer
    x = 9,261.21

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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.