Home / 10,711.21-14,781.45-6,519.46

Finding the Fourth Proportional to 10,711.21, 14,781.45 and 6,519.46

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Solution

The fourth proportional to 10,711.21, 14,781.45 and 6,519.46 is: 8,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.21 : 14,781.45 = 6,519.46 : x
  2. Step 2: Convert to fraction form
    10,711.21/14,781.45 = 6,519.46/x
  3. Step 3: Cross multiply
    10,711.21x = 14,781.45 × 6,519.46
  4. Step 4: Simplify right side
    10,711.21x = 96,367,072.02
  5. Step 5: Solve for x
    x = 96,367,072.02/10,711.21
  6. Step 6: Final answer
    x = 8,996.84

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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.